Erickson, G. M. (1983). The time varying effectiveness of marketing instruments. Univ. Microfilms Internat.
Chicago Style (17th ed.) CitationErickson, Gary M. The Time Varying Effectiveness of Marketing Instruments. Ann Arbor, Mich: Univ. Microfilms Internat, 1983.
MLA (9th ed.) CitationErickson, Gary M. The Time Varying Effectiveness of Marketing Instruments. Univ. Microfilms Internat, 1983.
Warning: These citations may not always be 100% accurate.