Cita APA (7th ed.)
Schoell, W. F. (1985). Marketing: Contemporary concepts and practices (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)
Schoell, William F. Marketing: Contemporary Concepts and Practices. 2nd ed. Boston: Allyn and Bacon, 1985.
Cita MLA (9th ed.)
Schoell, William F. Marketing: Contemporary Concepts and Practices. 2nd ed. Allyn and Bacon, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.