Coughlan, A. T., & Stern, L. W. S. (2009). Marketing Channels (7th.). Dorling Kindersley (India) Pvt, Ltd.
Lua i Stíl Chicago (17ú heag.)Coughlan, Anne T., agus Louis W Stern Stern. Marketing Channels. 7th. Delhi: Dorling Kindersley (India) Pvt, Ltd, 2009.
Lua MLA (9ú heag.)Coughlan, Anne T., agus Louis W Stern Stern. Marketing Channels. 7th. Dorling Kindersley (India) Pvt, Ltd, 2009.
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