Παραπομπή APA

J.N.Jain & P.P.Singh. (2007). Modern marketing of services: Principles and techniques. Regal.

Παραπομπή Chicago Style

J.N.Jain και P.P.Singh. Modern Marketing of Services: Principles and Techniques. New Delhi: Regal, 2007.

Παραπομπή MLA

J.N.Jain και P.P.Singh. Modern Marketing of Services: Principles and Techniques. Regal, 2007.