APA-viite

Couger, D. J., Cotler, M. A., & Knapp, R. W. (1982). Advanced system development feasibility techniques. John Wiley & Sons.

Chicago-tyylinen lähdeviittaus

Couger, Daniel J., Mel A. Cotler, ja Robert W. Knapp. Advanced System Development Feasibility Techniques. New York: John Wiley & Sons, 1982.

MLA-viite

Couger, Daniel J., et al. Advanced System Development Feasibility Techniques. John Wiley & Sons, 1982.