Washington Post Writers Group. (1991). Messages: The Washington Post media companion. Allyn and Bacon.
芝加哥风格引文Washington Post Writers Group. Messages: The Washington Post Media Companion. Boston: Allyn and Bacon, 1991.
MLA引文Washington Post Writers Group. Messages: The Washington Post Media Companion. Allyn and Bacon, 1991.
警告：这些引文格式不一定是100％准确.