Cita APA (7th ed.)
Gamble, T. K., & Gamble, M. (2002). Communication works (7th ed.). McGraw Hill.
Cita Chicago (17th ed.)
Gamble, Teri Kwal, i Michael Gamble. Communication Works. 7th ed. Boston: McGraw Hill, 2002.
Cita MLA (9th ed.)
Gamble, Teri Kwal, i Michael Gamble. Communication Works. 7th ed. McGraw Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.