Gaya APA

WINGATE, J, W., NOLAN, C, A. (1964). FUNDAMENTALS OF SELLING: MEETING CONSUMER DEMAND (Eighth Edition). Ohio: THE GOODHEART-WILLCOX.

Gaya MLA

WINGATE, John, W.., NOLAN, CARROLL, A.. "FUNDAMENTALS OF SELLING: MEETING CONSUMER DEMAND". Eighth Edition Ohio: THE GOODHEART-WILLCOX, 1964. Textbook.