APA استشهاد

Sudama, S., & Vaish, M. C. (1991). International economics (5.). Oxford and IBH Publishing Company Pvt Ltd.

استشهاد بنمط شيكاغو

Sudama, Singh, و M C. Vaish. International Economics. 5. New Delhi: Oxford and IBH Publishing Company Pvt Ltd, 1991.

MLA استشهاد

Sudama, Singh, و M C. Vaish. International Economics. 5. Oxford and IBH Publishing Company Pvt Ltd, 1991.