Zimmerman, J. (2000). Marketing on the internet (4th ed.). Maximum Press.
Chicago Style aipamenaZimmerman, Jan. Marketing on the Internet. 4th ed. Gulf Breeze, Fla: Maximum Press, 2000.
MLA aipamenaZimmerman, Jan. Marketing on the Internet. 4th ed. Maximum Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.