Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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