Whapples, D. (2015). Continual service improvement manager: Careers in IT service management. BCS, Learning & Development Ltd.
استشهاد بنمط شيكاغوWhapples, David. Continual Service Improvement Manager: Careers in IT Service Management. BCS, Learning & Development Ltd, 2015.
MLA استشهادWhapples, David. Continual Service Improvement Manager: Careers in IT Service Management. BCS, Learning & Development Ltd, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.