APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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