Παραπομπή APA

Vaswar Das Gupta. (2000). Sales management. Prentice hall of India Pvt Ltd.

Παραπομπή Chicago Style

Vaswar Das Gupta. Sales Management. New Delhi: Prentice hall of India Pvt Ltd, 2000.

Παραπομπή MLA

Vaswar Das Gupta. Sales Management. Prentice hall of India Pvt Ltd, 2000.