Richardson Paul. (2001). Internet Marketing: Readings and online resources. McGraw Hill Irwin,Higher Education.
Chicago-referens (17:e uppl.)Richardson Paul. Internet Marketing: Readings and Online Resources. Singapore: McGraw Hill Irwin,Higher Education, 2001.
MLA-referens (9:e uppl.)Richardson Paul. Internet Marketing: Readings and Online Resources. McGraw Hill Irwin,Higher Education, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.