Gaya APA

Weilbacher, W, M. (1980). Marketing Management Cases ; Planning and Executing Marketing Strategy (Fourth Edition) (Fourth Edition). New York: Macmillan Publishing Company.

Gaya MLA

Weilbacher, William, M.. "Marketing Management Cases ; Planning and Executing Marketing Strategy (Fourth Edition)". Fourth Edition New York: Macmillan Publishing Company, 1980. Text.