MANDEL STEVE. (2000). EFFECTIVE PRESENTATIONS SKILLS (3RD.). CRISP PUBLICATION.
Chicago Style (17. basım) AtıfMANDEL STEVE. EFFECTIVE PRESENTATIONS SKILLS. 3RD. CALIFORNIA: CRISP PUBLICATION, 2000.
MLA (9th ed.) AtıfMANDEL STEVE. EFFECTIVE PRESENTATIONS SKILLS. 3RD. CRISP PUBLICATION, 2000.
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