Citazione Stile APA (7a Edizione)

Robbins, H. A. (1992). How to speak and listen effectively. AMACOM.

Citazione stile Chigago Style (17a edizione)

Robbins, Harvey A. How to Speak and Listen Effectively. New York: AMACOM, 1992.

Citatione MLA (9a ed.)

Robbins, Harvey A. How to Speak and Listen Effectively. AMACOM, 1992.