DUPREE, D. (1984). Principles Of Marketing Dempsey Dupree And Mathew Marder. Addison-Wesley Publishing.
Lua i Stíl Chicago (17ú heag.)DUPREE, DempseyG. Principles Of Marketing Dempsey Dupree And Mathew Marder. Addison-Wesley Publishing, 1984.
Lua MLA (8ú heag.)DUPREE, DempseyG. Principles Of Marketing Dempsey Dupree And Mathew Marder. Addison-Wesley Publishing, 1984.
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