APA aipamena

Coopman, S. J., & Lull, J. (2012). Public speaking: The evolving art (Enhanced second edition, International edition.). Wadsworth Cengage Learning.

Chicago Style aipamena

Coopman, Stephanie J., and James Lull. Public Speaking: The Evolving Art. Enhanced second edition, International edition. Australia: Wadsworth Cengage Learning, 2012.

MLA aipamena

Coopman, Stephanie J., and James Lull. Public Speaking: The Evolving Art. Enhanced second edition, International edition. Wadsworth Cengage Learning, 2012.