Verderber, K. S., & Verderber, R. F. (2001). Inter-act: Interpersonal communication, concepts, skills, and contexts (9th ed.). Wadsworth/Thomson Learning.
Cita Chicago (17th ed.)Verderber, Kathleen S., i Rudolph F. Verderber. Inter-act: Interpersonal Communication, Concepts, Skills, and Contexts. 9th ed. Australia: Wadsworth/Thomson Learning, 2001.
Cita MLA (9th ed.)Verderber, Kathleen S., i Rudolph F. Verderber. Inter-act: Interpersonal Communication, Concepts, Skills, and Contexts. 9th ed. Wadsworth/Thomson Learning, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.