"Ophthalmic Devices--Overview." Medical and Healthcare Marketplace Guide, 1999. "Ophthalmic Devices--Spectacles." Medical and Healthcare Marketplace Guide, 1999. "Optical Retailing." Medical and Healthcare Marketplace Guide, 1999.
primary sources of information
agriculture
These sources provide information written by other authors.
new sources of raw materials for English industry
the different sources of information found in the library are the history, mathematics.science,religion,social studies,culture and arts,atlas,almanac,filipiniana and the anatomy
Toy Manufacturers of America, Inc. Research, 1999. Available from http://www.toy-tma.com/industry/news. U.S. Industry and Trade Outlook '99. McGraw-Hill and U.S. Department of Commerce, 1999.
U.S. Industry and Trade Outlook '99. McGraw-Hill and U.S. Department of Commerce, 1999. United States Census Bureau. "Statistics for Industries and Industry Groups: 2000." Annual Survey of Manufacturers. February 2002.
Sources of information: primary-information you have gathered yourself secondary-information gathered by other people (such as government statistics) possable sources of information: journal atricals, web pages, books, interviews
computer,dictionary, book
Zimmerman, R., et al. "Jewelry Sector Update." The Jewelry Industry Report, Janney Montgomery Scott, Inc., 25 August 1999.
"Housing Starts Rose 8.3 Percent in March, the U.S. Commerce Department Reported." Land Use Law Report, 23 April 2003, 71.
Katerndahl, David A. "Panic Attacks and Panic Disorder." Journal of Family Practice 43 (September 1996): 275-283.
Inside Ayurveda: An Independent Journal of Ayurvedic Health Care. P.O. Box 3021, Quincy, CA 95971. http://www.insideayurveda.com.
Kreydiyyeh, S. I., and J. Usta. "Diuretic Effect and Mechanism of Action of Parsley." Journal of Ethnopharmacology 79 (March 2002): 353-357.
Thanker, H.K., and M.H. Snow. "HIV Viral Suppression in the Era of Antiretroviral Therapy." Postgraduate Medical Journal (January 2003): 36.
United States Department of Agriculture, National Agricultural Statistics Service. Sheep and Goats, 30 January 2004. Available from http://usda.mannlib.cornell.edu/reports/nassr/livestock/pgg-bb/shep0104.txt.
The sources that are needed for reviewing depends on that a person or student is going to review or the topic of interest. Most major sources come in two forms: peer reviewed journal articles and/or books.