APA aipamena

Sterne, J. (1996). Customer service on the Internet. John Wiley & sons.

Chicago Style aipamena

Sterne, Jim. Customer Service on the Internet. New York: John Wiley & sons, 1996.

MLA aipamena

Sterne, Jim. Customer Service on the Internet. John Wiley & sons, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.