Benton, A. H., & Werner, W. E. (1966). Field biology and ecology (2d ed.). McGraw-Hill.
Chicago Style aipamenaBenton, Allen H., and William E. Werner. Field Biology and Ecology. 2d ed. New York: McGraw-Hill, 1966.
MLA aipamenaBenton, Allen H., and William E. Werner. Field Biology and Ecology. 2d ed. McGraw-Hill, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.