APA-referens (7:e uppl.)

Gamble, T. K., & Gamble, M. (1999). Communication works (6th ed.). McGraw-Hill College.

Chicago-referens (17:e uppl.)

Gamble, Teri Kwal, och Michael Gamble. Communication Works. 6th ed. Boston: McGraw-Hill College, 1999.

MLA-referens (9:e uppl.)

Gamble, Teri Kwal, och Michael Gamble. Communication Works. 6th ed. McGraw-Hill College, 1999.