APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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