Hand-written or pre-printed with a hand-written signature and brief note. E-mail Thanks , a big no-no.
Send a nice, handwritten thank-you note. Thank the person for his/her assistance and support; and confidence in your character.
You can simply phone the person to thank them for the great reference letter and let them know you appreciate it.
after the show
Only ones that were special to you, or who inspired you, with a short explanatory note inside thanking them for their guidance or inspiration.
The proper etiquette for calling someone by their last name is to do so only if they have given you permission or if it is a formal or professional setting. It is important to be respectful and considerate of how the person prefers to be addressed.
Canadians are stereotypically polite. They are always portrayed as using all of the proper greetings, graciously thanking others and wishing the person well when the conversation is finished.
In a professional setting, it is proper etiquette to address someone with the title "Dr." or "PhD" by using their title followed by their last name. For example, you would address someone as "Dr. Smith" or "Dr. Johnson" when speaking to them in a professional context.
Legs should be placed on the floor when sitting at a table for proper etiquette.
By being surprised, and thank a simple thank you will suffice.
Be yourself
Please practice proper etiquette when in public.
When someone says "Thank you", you should say "You're welcome" back. It is the polite thing to do and it is proper etiquette.