APA (7e ed.) Bronvermelding

(1993). How to write and speak better. Reader's Digest Association.

Chicago (17e ed.) Bronvermelding

How to Write and Speak Better. London: Reader's Digest Association, 1993.

MLA (9e ed.) Bronvermelding

How to Write and Speak Better. Reader's Digest Association, 1993.

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