Duncan, R. C. (1984). The outlook for primary commodities, 1984 to 1995. World Bank.
Chicago Style (17th ed.) CitationDuncan, Ronald C. The Outlook for Primary Commodities, 1984 to 1995. Washington, D.C., U.S.A: World Bank, 1984.
MLA (9th ed.) CitationDuncan, Ronald C. The Outlook for Primary Commodities, 1984 to 1995. World Bank, 1984.
Warning: These citations may not always be 100% accurate.