APA استشهاد

Gupta G S. (2011). Managerial economics (2nd ed.). Tata McGraw Hill Education.

استشهاد بنمط شيكاغو

Gupta G S. Managerial Economics. 2nd ed. New Delhi: Tata McGraw Hill Education, 2011.

MLA استشهاد

Gupta G S. Managerial Economics. 2nd ed. Tata McGraw Hill Education, 2011.