Sissors, J. Z., & Goodrich, W. B. (1983). Media planning workbook: With discussions and problems (2d rev. ed.). National Textbook Co.
Cita Chicago (17th ed.)Sissors, Jack Z., i William B. Goodrich. Media Planning Workbook: With Discussions and Problems. 2d rev. ed. Lincolnwood, Ill: National Textbook Co, 1983.
Cita MLA (9th ed.)Sissors, Jack Z., i William B. Goodrich. Media Planning Workbook: With Discussions and Problems. 2d rev. ed. National Textbook Co, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.