Jackson, W. (1973). Man and the environment (2d ed.). W. C. Brown.
Chicago Style aipamenaJackson, Wes. Man and the Environment. 2d ed. Dubuque, Iowa: W. C. Brown, 1973.
MLA aipamenaJackson, Wes. Man and the Environment. 2d ed. W. C. Brown, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.