APA-referens (7:e uppl.)

Widmeyer, G. R. (1989). DSS-89: Ninth International Conference on Decision Support Systems. The Institute of Management Sciences.

Chicago-referens (17:e uppl.)

Widmeyer, George R. DSS-89: Ninth International Conference on Decision Support Systems. Providence: The Institute of Management Sciences, 1989.

MLA-referens (9:e uppl.)

Widmeyer, George R. DSS-89: Ninth International Conference on Decision Support Systems. The Institute of Management Sciences, 1989.