The daily telegraph: Careers in facilities management. London: Telegraph Media Group.
استشهاد بنمط شيكاغوThe Daily Telegraph: Careers in Facilities Management. London: Telegraph Media Group.
MLA استشهادThe Daily Telegraph: Careers in Facilities Management. London: Telegraph Media Group.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.