Coughlan, A. T. (2011). Marketing Channels (7th ed.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Coughlan, Anne T. Marketing Channels. 7th ed. Noida: Pearson Education, 2011.
Lua MLA (9ú heag.)Coughlan, Anne T. Marketing Channels. 7th ed. Pearson Education, 2011.
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