Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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