Gaya APA

Lucas, S, E., Stob, P. (2020). THE ART OF PUBLIC SPEAKING, THIRTEENTH EDITION (3). New York: McGraw-Hill Education.

Gaya MLA

Lucas, Stephen, E.., Stob, Paul. "THE ART OF PUBLIC SPEAKING, THIRTEENTH EDITION". 3 New York: McGraw-Hill Education, 2020. Text.