APA (7e ed.) Bronvermelding

Kipfer, B. A. (1990). 14,000 things to be happy about: The happy book. Workman Publishing.

Chicago (17e ed.) Bronvermelding

Kipfer, Barbara Ann. 14,000 Things to Be Happy About: The Happy Book. New York: Workman Publishing, 1990.

MLA (9e ed.) Bronvermelding

Kipfer, Barbara Ann. 14,000 Things to Be Happy About: The Happy Book. Workman Publishing, 1990.