Marketing Science Institute & Singh, S. N. (1992). Altering message spacing to enhance memory of television commercials: Working paper. Marketing Science Institute.
Chicago-viite (17. p.)Marketing Science Institute ja Surendra N. Singh. Altering Message Spacing to Enhance Memory of Television Commercials: Working Paper. Cambridge, Mass.: Marketing Science Institute, 1992.
MLA-viite (8. p.)Marketing Science Institute ja Surendra N. Singh. Altering Message Spacing to Enhance Memory of Television Commercials: Working Paper. Marketing Science Institute, 1992.
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