Παραπομπή APA

Gupta, S. (2005). Sales and distribution management: Text and cases. Excel.

Παραπομπή Chicago Style

Gupta, S.L. Sales and Distribution Management: Text and Cases. New Delhi: Excel, 2005.

Παραπομπή MLA

Gupta, S.L. Sales and Distribution Management: Text and Cases. Excel, 2005.