APA aipamena

WEISS DONALD H. (1987). HOW TO MAKE AN EFFECTIVE SPEECH OR PRESENTATION. AMACOM.

Chicago Style aipamena

WEISS DONALD H. HOW TO MAKE AN EFFECTIVE SPEECH OR PRESENTATION. NEW YORK: AMACOM, 1987.

MLA aipamena

WEISS DONALD H. HOW TO MAKE AN EFFECTIVE SPEECH OR PRESENTATION. AMACOM, 1987.