APA-Zitierstil (7. Ausg.)

Gerson, R. F. (1998). Beyond customer service, revised (Rev. ed.). Crisp Publications.

Chicago-Zitierstil (17. Ausg.)

Gerson, Richard F. Beyond Customer Service, Revised. Rev. ed. Menlo Park, Calif.: Crisp Publications, 1998.

MLA-Zitierstil (9. Ausg.)

Gerson, Richard F. Beyond Customer Service, Revised. Rev. ed. Crisp Publications, 1998.