International Training Corporation. (1993). Effective presentation skills. Pfeiffer & Company.
Chicago Style (17. basım) AtıfInternational Training Corporation. Effective Presentation Skills. Amsterdam: Pfeiffer & Company, 1993.
MLA (9th ed.) AtıfInternational Training Corporation. Effective Presentation Skills. Pfeiffer & Company, 1993.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..