APA aipamena

Kumar, H. D., & Swati Kumar. (1997). Global and general environment. Anmol.

Chicago Style aipamena

Kumar, Har Darshan, and Swati Kumar. Global and General Environment. New Delhi: Anmol, 1997.

MLA aipamena

Kumar, Har Darshan, and Swati Kumar. Global and General Environment. Anmol, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.