APA استشهاد

Mankiw, N. G. (2015). Principles of economics (7th ed.). Cengage Learning India.

استشهاد بنمط شيكاغو

Mankiw, N Gregory. Principles of Economics. 7th ed. Delhi: Cengage Learning India, 2015.

MLA استشهاد

Mankiw, N Gregory. Principles of Economics. 7th ed. Cengage Learning India, 2015.