APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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