Παραπομπή APA

Olson, J. (2000). Global business library: Giving great presentation. Gemini Books.

Παραπομπή Chicago Style

Olson, Jeff. Global Business Library: Giving Great Presentation. New Delhi: Gemini Books, 2000.

Παραπομπή MLA

Olson, Jeff. Global Business Library: Giving Great Presentation. Gemini Books, 2000.