Lua APA (7ú heag.)
De, A. K., & De, A. K. (2001). Environmental studies. New Age International.
Lua i Stíl Chicago (17ú heag.)
De, Anil Kumar, agus Arnab Kumar De. Environmental Studies. Calcutta: New Age International, 2001.
Lua MLA (9ú heag.)
De, Anil Kumar, agus Arnab Kumar De. Environmental Studies. New Age International, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.