Παραπομπή APA

Walters, R. G. (1937). Fundamentals of selling (3rd ed.). Cincinnati: South-Western Publishing.

Παραπομπή Chicago Style

Walters, R. G. Fundamentals of Selling. 3rd ed. Cincinnati: South-Western Publishing, 1937.

Παραπομπή MLA

Walters, R. G. Fundamentals of Selling. 3rd ed. Cincinnati: South-Western Publishing, 1937.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.