Mason, R. E., Rath, P. M., & Ross, H. L. (1980). Marketing practices and principles (3rd ed.). Gregg Division/McGraw-Hill.
Cita Chicago (17th ed.)Mason, Ralph E., Patricia Mink Rath, i Herbert L. Ross. Marketing Practices and Principles. 3rd ed. New York: Gregg Division/McGraw-Hill, 1980.
Cita MLA (9th ed.)Mason, Ralph E., et al. Marketing Practices and Principles. 3rd ed. Gregg Division/McGraw-Hill, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.