Richardson, P. (2001). Internet marketing: Readings and online resources. New York: McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoRichardson, Paul. Internet Marketing: Readings and Online Resources. New York: McGraw-Hill/Irwin, 2001.
Deismireacht MLARichardson, Paul. Internet Marketing: Readings and Online Resources. New York: McGraw-Hill/Irwin, 2001.
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