APA aipamena

LUCAS, S. E. (2020). The art of public speaking 13th ed. MC GRAW HILL.

Chicago Style aipamena

LUCAS, Stephen E. The Art of Public Speaking 13th Ed. MC GRAW HILL, 2020.

MLA aipamena

LUCAS, Stephen E. The Art of Public Speaking 13th Ed. MC GRAW HILL, 2020.