Usman, U. (2017). Image, Perceived Quality, Perceived Value and Student Loyalty in the Higher Education Institutions.
استشهاد بنمط شيكاغوUsman, Umar. Image, Perceived Quality, Perceived Value and Student Loyalty in the Higher Education Institutions. 2017.
MLA استشهادUsman, Umar. Image, Perceived Quality, Perceived Value and Student Loyalty in the Higher Education Institutions. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.