APA استشهاد

Namita Gopal. (2009). Business environment (2nd.). Tata Mcgraw-Hill.

استشهاد بنمط شيكاغو

Namita Gopal. Business Environment. 2nd. New Delhi: Tata Mcgraw-Hill, 2009.

MLA استشهاد

Namita Gopal. Business Environment. 2nd. Tata Mcgraw-Hill, 2009.