Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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