APA aipamena

Steven, J. (2000). E-mail Marketing. John Wiley & Sons.

Chicago Style aipamena

Steven, Jim. E-mail Marketing. New York: John Wiley & Sons, 2000.

MLA aipamena

Steven, Jim. E-mail Marketing. John Wiley & Sons, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.