United Nations Conference on Trade and Development. (2002). Investment and innovation policy review: Ethiopia. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Conference on Trade and Development. Investment and Innovation Policy Review: Ethiopia. New York: United Nations, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations Conference on Trade and Development. Investment and Innovation Policy Review: Ethiopia. United Nations, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.