APA (7e ed.) Bronvermelding

(2006). Laughter the best medicine: A laugh-out-loud collection of our funniest jokes, quotes, stories and cartoons. The Reader's Digest Association, Inc.

Chicago (17e ed.) Bronvermelding

Laughter the Best Medicine: A Laugh-out-loud Collection of Our Funniest Jokes, Quotes, Stories and Cartoons. Pleasanville, N.Y: The Reader's Digest Association, Inc, 2006.

MLA (9e ed.) Bronvermelding

Laughter the Best Medicine: A Laugh-out-loud Collection of Our Funniest Jokes, Quotes, Stories and Cartoons. The Reader's Digest Association, Inc, 2006.