World Bank. (1989). Price prospects for major primary commodities, 1988-2000. World Bank.
Chicago Style (17th ed.) CitationWorld Bank. Price Prospects for Major Primary Commodities, 1988-2000. Washington, D.C.: World Bank, 1989.
ציטוט MLAWorld Bank. Price Prospects for Major Primary Commodities, 1988-2000. World Bank, 1989.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.