Sobel, R. (1982). ITT: The management of opportunity. New York: A Truman Talley Book.
Trích dẫn kiểu ChicagoSobel, Robert. ITT: The Management of Opportunity. New York: A Truman Talley Book, 1982.
Deismireacht MLASobel, Robert. ITT: The Management of Opportunity. New York: A Truman Talley Book, 1982.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.