Jackson, W. (1979). Man and the environment (3d ed.). W. C. Brown.
Cita Chicago (17th ed.)Jackson, Wes. Man and the Environment. 3d ed. Dubuque, Iowa: W. C. Brown, 1979.
Cita MLA (9th ed.)Jackson, Wes. Man and the Environment. 3d ed. W. C. Brown, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.