Παραπομπή σε μορφή APA (7η εκδ.)

Institute National Planning. (1993). the current development in the methodolocy and applications of operations research obstacles and prospects in dveloping countries . Institute National Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Institute National Planning. The Current Development in the Methodolocy and Applications of Operations Research Obstacles and Prospects in Dveloping Countries . cairo: Institute National Planning, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Institute National Planning. The Current Development in the Methodolocy and Applications of Operations Research Obstacles and Prospects in Dveloping Countries . Institute National Planning, 1993.