Bishay, F. K. (1968). Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. Cairo: The Institute of National Planning, 1968.
Lua MLA (9ú heag.)Bishay, Fahmi K. Confidence Intervales for Economic Quantities Derived from Imperical Production Functions. The Institute of National Planning, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.