Bishay, F. K. (1968). Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning.
Чикаго стиль цитування (17-те видання)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. Cairo: The Institute of National Planning, 1968.
Стиль цитування MLA (9-ме видання)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning, 1968.