Zeuschner, R. F. (1997). Communicating today (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Zeuschner, Raymond F. Communicating Today. 2nd ed. Boston: Allyn and Bacon, 1997.
Cita MLA (9th ed.)Zeuschner, Raymond F. Communicating Today. 2nd ed. Allyn and Bacon, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.