Παραπομπή σε μορφή APA (7η εκδ.)

Bishay, F. K. (1968). Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. Cairo: The Institute of National Planning, 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning, 1968.