USERC Environment, Resources, and Urban Development Workshop, Goddard Space Flight Center, United States Environment and Resources Council, & Wolff, E. A. (1976). Urban alternatives: Proceedings of the USERC Environment, Resources and Urban Development Workshop, November, 1975. Pergamon Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)USERC Environment, Resources, and Urban Development Workshop, Goddard Space Flight Center, United States Environment and Resources Council, và Edward A. Wolff. Urban Alternatives: Proceedings of the USERC Environment, Resources and Urban Development Workshop, November, 1975. Oxford [Eng.] ; New York: Pergamon Press, 1976.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)USERC Environment, Resources, and Urban Development Workshop, Goddard Space Flight Center, et al. Urban Alternatives: Proceedings of the USERC Environment, Resources and Urban Development Workshop, November, 1975. Pergamon Press, 1976.