APA (7e ed.) Bronvermelding

Write better, speak better. Reader's Digest Association.

Chicago (17e ed.) Bronvermelding

Write Better, Speak Better. Pleasantville, N.Y.: Reader's Digest Association.

MLA (9e ed.) Bronvermelding

Write Better, Speak Better. Reader's Digest Association.

Let op: Deze citaties zijn niet altijd 100% accuraat.