Ianchovichina, E., Mattoo, A., & Olarreaga, M. (2001). Unrestricted market access for Sub-Saharan Africa: How much is it worth and who pays. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIanchovichina, Elena, Aaditya Mattoo, और M. Olarreaga. Unrestricted Market Access for Sub-Saharan Africa: How Much Is It Worth and Who Pays. Washington, D.C: World Bank, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIanchovichina, Elena, et al. Unrestricted Market Access for Sub-Saharan Africa: How Much Is It Worth and Who Pays. World Bank, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.