APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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