SHIMP, T. (1993). Promotion Management & Marketing Communications. The Dryden.
Lua i Stíl Chicago (17ú heag.)SHIMP, Terence. Promotion Management & Marketing Communications. The Dryden, 1993.
Lua MLA (8ú heag.)SHIMP, Terence. Promotion Management & Marketing Communications. The Dryden, 1993.
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