Caldwell, L. K., Bartlett, R. V., & Gladden, J. N. (1995). Environment as a focus for public policy. Texas A&M University Press.
Цитирование в стиле Чикаго (17-е изд.)Caldwell, Lynton Keith, Robert V. Bartlett, и James N. Gladden. Environment as a Focus for Public Policy. College Station: Texas A&M University Press, 1995.
Цитирование MLA (9-е изд.)Caldwell, Lynton Keith, et al. Environment as a Focus for Public Policy. Texas A&M University Press, 1995.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.