Παραπομπή APA

BPP Learning Media. (2009). Advanced Marketing and sales. Viva Books Private Limited.

Παραπομπή Chicago Style

BPP Learning Media. Advanced Marketing and Sales. New Delhi: Viva Books Private Limited, 2009.

Παραπομπή MLA

BPP Learning Media. Advanced Marketing and Sales. Viva Books Private Limited, 2009.