Bishay, F. K. (1968). Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. Cairo: The Institute of National Planning, 1968.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning, 1968.