Cita APA

E. Nelson Paul, C. Pearson Judy, & Titsworth Scott. (2009). iSpeak: Public Speaking for Contemporary Life, 2008 Edition. New York: Mc Graw Hill.

Chicago Style Citation

E. Nelson Paul, C. Pearson Judy, i Titsworth Scott. ISpeak: Public Speaking for Contemporary Life, 2008 Edition. New York: Mc Graw Hill, 2009.

Cita MLA

E. Nelson Paul, C. Pearson Judy, i Titsworth Scott. ISpeak: Public Speaking for Contemporary Life, 2008 Edition. New York: Mc Graw Hill, 2009.