APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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