Παραπομπή APA

Cohen,Steven P. (2002). Negotiating skills for managers. Tata McGraw Hill.

Παραπομπή Chicago Style

Cohen,Steven P. Negotiating Skills for Managers. New Delhi: Tata McGraw Hill, 2002.

Παραπομπή MLA

Cohen,Steven P. Negotiating Skills for Managers. Tata McGraw Hill, 2002.