APA aipamena

LUCAS, S. E. 1. (2007). The art of public speaking (9th. Ed.). Boston: McGraw-Hill.

Chicago Style aipamena

LUCAS, Stephen E 1946-. The Art of Public Speaking. 9th. Ed. Boston: McGraw-Hill, 2007.

MLA aipamena

LUCAS, Stephen E 1946-. The Art of Public Speaking. 9th. Ed. Boston: McGraw-Hill, 2007.

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