Παραπομπή APA

Buzzell, R. D. (1972). Marketing a contemporary analysis (2nd.). McGraw-Hill Book Company.

Παραπομπή Chicago Style

Buzzell, Robert D. Marketing a Contemporary Analysis. 2nd. New York: McGraw-Hill Book Company, 1972.

Παραπομπή MLA

Buzzell, Robert D. Marketing a Contemporary Analysis. 2nd. McGraw-Hill Book Company, 1972.