Usman, U. (2013). Total service quality management and the service industry: Evidence from international airlines.
استشهاد بنمط شيكاغوUsman, Umar. Total Service Quality Management and the Service Industry: Evidence From International Airlines. 2013.
MLA استشهادUsman, Umar. Total Service Quality Management and the Service Industry: Evidence From International Airlines. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.