Boughey, A. S. (1973). Readings in man, the environment, and human ecology. Macmillan.
Cita Chicago (17th ed.)Boughey, Arthur S. Readings in Man, the Environment, and Human Ecology. New York: Macmillan, 1973.
Cita MLA (9th ed.)Boughey, Arthur S. Readings in Man, the Environment, and Human Ecology. Macmillan, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.