Hanson, W. A. K. (2007). Internet Marketing and E- Commerce. Thomson South- Western.
Lua i Stíl Chicago (17ú heag.)Hanson, Ward A.; Kalyanam. Internet Marketing and E- Commerce. Haryana: Thomson South- Western, 2007.
Lua MLA (9ú heag.)Hanson, Ward A.; Kalyanam. Internet Marketing and E- Commerce. Thomson South- Western, 2007.
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