References that are reliable include encyclopedia's, biographies, and expert accounts.
Reference materials
special reference material
Reference or exhibit materials
They can be.
Title
Questions about Shakespeare's work. It is not a reliable reference for history or the lifestyle and customs of the late Elizabethan period.
Reference materials that can be found in a library include:AtlasesAlmanacsBibliographiesBiographical resourcesChronologiesConcordancesDictionariesEncyclopaedias (both general and subject-specific)GazetteersGenealogiesGlobesGovernment documentsHandbooksIndexesManualsMapsThesauriYearbooks
Reference materials that can be found in a library include:AtlasesAlmanacsBibliographiesBiographical resourcesChronologiesConcordancesDictionariesEncyclopaedias (both general and subject-specific)GazetteersGenealogiesGlobesGovernment documentsHandbooksIndexesManualsMapsThesauriYearbooks
The different reference materials that can be found in a library include:AtlasesAlmanacsBibliographiesBiographical resourcesChronologiesConcordancesDictionariesEncyclopaedias (both general and subject-specific)GazetteersGenealogiesGlobesGovernment documentsHandbooksIndexesManualsMapsThesauriYearbooks
specific arrangement
Title
The different reference materials that can be found in a library include:AtlasesAlmanacsBibliographiesBiographical resourcesChronologiesConcordancesDictionariesEncyclopaedias (both general and subject-specific)GazetteersGenealogiesGlobesGovernment documentsHandbooksIndexesManualsMapsThesauriYearbooks