APA استشهاد

Cherunilam, F. (1989). Business environment. Himalaya publishing house.

استشهاد بنمط شيكاغو

Cherunilam, Francis. Business Environment. Bombay: Himalaya publishing house, 1989.

MLA استشهاد

Cherunilam, Francis. Business Environment. Himalaya publishing house, 1989.