APA-referens (7:e uppl.)

Alter, S. (1999). Information systems: A management perspective. Addison-Wesley.

Chicago-referens (17:e uppl.)

Alter, Steven. Information Systems: A Management Perspective. New York: Addison-Wesley, 1999.

MLA-referens (9:e uppl.)

Alter, Steven. Information Systems: A Management Perspective. Addison-Wesley, 1999.