(1993). Marketing Essentials Mastering Concepts And Practices / William F. Schoell; Joseph P. Guiltinan And Laura Valvatne. Allyn and Bacon.
Chicago-referens (17:e uppl.)Marketing Essentials Mastering Concepts And Practices / William F. Schoell; Joseph P. Guiltinan And Laura Valvatne. Allyn and Bacon, 1993.
MLA-referens (8:e uppl.)Marketing Essentials Mastering Concepts And Practices / William F. Schoell; Joseph P. Guiltinan And Laura Valvatne. Allyn and Bacon, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.