Arora, S. (1985). Fundamentals of Environmental Biology. Kalyani.
Chicago Style (17th ed.) ZitazioaArora, S. Fundamentals of Environmental Biology. New Delhi: Kalyani, 1985.
MLA (9th ed.) ZitazioaArora, S. Fundamentals of Environmental Biology. Kalyani, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.