Παραπομπή APA

Seldman, M. (1981). Super selling through self-talk: The ultimate edge in sales success. Unicversal book stall.

Παραπομπή Chicago Style

Seldman, Marty. Super Selling Through Self-talk: The Ultimate Edge in Sales Success. New Delhi: Unicversal book stall, 1981.

Παραπομπή MLA

Seldman, Marty. Super Selling Through Self-talk: The Ultimate Edge in Sales Success. Unicversal book stall, 1981.