Beisse, F. (2013). A guide to computer user support for help desk & support specialists (5th ed., International ed.). Course Technology, Cengage Learning.
Chicago-Zitierstil (17. Ausg.)Beisse, Fred. A Guide to Computer User Support for Help Desk & Support Specialists. 5th ed., International ed. Australia: Course Technology, Cengage Learning, 2013.
MLA-Zitierstil (9. Ausg.)Beisse, Fred. A Guide to Computer User Support for Help Desk & Support Specialists. 5th ed., International ed. Course Technology, Cengage Learning, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.