Coughlan, A. T., Anderson, E., Stern, L. W., & El-Ansary, A. (2001). Marketing channels (6th ed.). Prentice Hall, ; Pearson Education.
Lua i Stíl Chicago (17ú heag.)Coughlan, Anne T., Erin Anderson, Louis W. Stern, agus Adell El-Ansary. Marketing Channels. 6th ed. Upper Saddle River, N.J. : New Delhi,: Prentice Hall, ; Pearson Education, 2001.
Lua MLA (8ú heag.)Coughlan, Anne T., et al. Marketing Channels. 6th ed. Prentice Hall, ; Pearson Education, 2001.
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