Παραπομπή APA

Babu,V Vithal. (1991). Trade and technology directory of India: Volume 1. Economy & Trade.

Παραπομπή Chicago Style

Babu,V Vithal. Trade and Technology Directory of India: Volume 1. New Delhi: Economy & Trade, 1991.

Παραπομπή MLA

Babu,V Vithal. Trade and Technology Directory of India: Volume 1. Economy & Trade, 1991.