Wiechmann, J. G., & Urdang, L. (1993). NTC's dictionary of advertising (2nd ed.). National Textbook Co.
Cita Chicago (17th ed.)Wiechmann, Jack G., i Laurence Urdang. NTC's Dictionary of Advertising. 2nd ed. Lincolnwood, Ill: National Textbook Co, 1993.
Cita MLA (9th ed.)Wiechmann, Jack G., i Laurence Urdang. NTC's Dictionary of Advertising. 2nd ed. National Textbook Co, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.