APA (7e ed.) Bronvermelding

Richey, C. W., & Crean, M. J. (1973). Site requirements of commercial users. Business Research Division, University of Colorado.

Chicago (17e ed.) Bronvermelding

Richey, Clyde W., en Michael J. Crean. Site Requirements of Commercial Users. Boulder: Business Research Division, University of Colorado, 1973.

MLA (8e ed.) Bronvermelding

Richey, Clyde W., en Michael J. Crean. Site Requirements of Commercial Users. Business Research Division, University of Colorado, 1973.

Let op: Deze citaties zijn niet altijd 100% accuraat.