APA استشهاد

Mandino, O. (2007). The greatest salesman in the world. Jaico.

استشهاد بنمط شيكاغو

Mandino, O.G. The Greatest Salesman in the World. Mumbai: Jaico, 2007.

MLA استشهاد

Mandino, O.G. The Greatest Salesman in the World. Jaico, 2007.