Gupta, A., & Avijit Gupta. (2011). Tropical Geomorphology: Avijit Gupta. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaGupta, Avijit, eta Avijit Gupta. Tropical Geomorphology: Avijit Gupta. New Delhi: Cambridge University Press, 2011.
MLA (9th ed.) ZitazioaGupta, Avijit, eta Avijit Gupta. Tropical Geomorphology: Avijit Gupta. Cambridge University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.