Gaya APA

Weilbacher, W, M. (1980). Marketing management cases: planning and executing marketing strategy (3rd ed.). New York: Macmillan Publishing, Co. Inc..

Gaya MLA

Weilbacher, William, M.. "Marketing management cases: planning and executing marketing strategy". 3rd ed. New York: Macmillan Publishing, Co. Inc., 1980. Text.