Norris, J. S. (1990). Advertising (4th ed.). Prentice-Hall.
Cita Chicago (17th ed.)Norris, James S. Advertising. 4th ed. Englewood Cliffs, N. J: Prentice-Hall, 1990.
Cita MLA (9th ed.)Norris, James S. Advertising. 4th ed. Prentice-Hall, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.