APA (7e ed.) Bronvermelding

Kumar, H. D. (1997). Modern concepts of ecology (8th rev. ed.). Vikas Pub. House.

Chicago (17e ed.) Bronvermelding

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. New Delhi: Vikas Pub. House, 1997.

MLA (8e ed.) Bronvermelding

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. Vikas Pub. House, 1997.