Bishay, F. K. (1968). Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning.
Cytowanie według stylu Chicago (wyd. 17)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. Cairo: The Institute of National Planning, 1968.
Cytowanie według stylu MLA (wyd. 9)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning, 1968.