Kosiur, D. R. (1997). Understanding electronic commerce. Redmond, Wash. : Microsoft Press.
Lua i Stíl Chicago (17ú heag.)Kosiur, David R. Understanding Electronic Commerce. Redmond, Wash. : Microsoft Press, 1997.
Lua MLA (9ú heag.)Kosiur, David R. Understanding Electronic Commerce. Redmond, Wash. : Microsoft Press, 1997.
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