National Planning Institute. (1991). Prices and marketing policies in agriculture: Cairo : 17 nov- 5 dec- 1991. National Planning Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Planning Institute. Prices and Marketing Policies in Agriculture: Cairo : 17 Nov- 5 Dec- 1991. cairo: National Planning Institute, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Planning Institute. Prices and Marketing Policies in Agriculture: Cairo : 17 Nov- 5 Dec- 1991. National Planning Institute, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.