APA (7e ed.) Bronvermelding

Washington Post Writers Group. (1991). Messages: The Washington Post media companion. Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Washington Post Writers Group. Messages: The Washington Post Media Companion. Boston: Allyn and Bacon, 1991.

MLA (8e ed.) Bronvermelding

Washington Post Writers Group. Messages: The Washington Post Media Companion. Allyn and Bacon, 1991.

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