APA-referens (7:e uppl.)
Schoell, W. F. (1990). Marketing: Annotated Instructor's edition;Contemporary Concepts and Practices (4th ed.). Allyn and Bacon.
Chicago-referens (17:e uppl.)
Schoell, William F. Marketing: Annotated Instructor's Edition;Contemporary Concepts and Practices. 4th ed. Boston: Allyn and Bacon, 1990.
MLA-referens (9:e uppl.)
Schoell, William F. Marketing: Annotated Instructor's Edition;Contemporary Concepts and Practices. 4th ed. Allyn and Bacon, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.