Enis, B. M. (1977). Marketing principles: The management process. California: Goodyear Publishing Company, Inc.
Chicago-stil citatEnis, Ben M. Marketing Principles: The Management Process. California: Goodyear Publishing Company, Inc, 1977.
MLA-referensEnis, Ben M. Marketing Principles: The Management Process. California: Goodyear Publishing Company, Inc, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.