Παραπομπή APA

Khera,S S. (1979). Oil: Rich man poor man. National Publishing House.

Παραπομπή Chicago Style

Khera,S S. Oil: Rich Man Poor Man. New Delhi: National Publishing House, 1979.

Παραπομπή MLA

Khera,S S. Oil: Rich Man Poor Man. National Publishing House, 1979.