Παραπομπή APA

Kumar, A. (1999). The black economy in India. Penguin Books.

Παραπομπή Chicago Style

Kumar, Arun. The Black Economy in India. New Delhi ; New York, NY: Penguin Books, 1999.

Παραπομπή MLA

Kumar, Arun. The Black Economy in India. Penguin Books, 1999.