el tigi, a. e. d. (1964). determining investment priority ratings. the institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रel tigi, aziz el din. Determining Investment Priority Ratings. cairo: the institute of national planning, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रel tigi, aziz el din. Determining Investment Priority Ratings. the institute of national planning, 1964.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.