APA استشهاد

Patrick,Martin, & Visakha Varma,G. (2007). Economic approach to social interactions. Educational Publishers & distributors.

استشهاد بنمط شيكاغو

Patrick,Martin, و Visakha Varma,G. Economic Approach to Social Interactions. Ernakulam: Educational Publishers & distributors, 2007.

MLA استشهاد

Patrick,Martin, و Visakha Varma,G. Economic Approach to Social Interactions. Educational Publishers & distributors, 2007.