International Monetary Fund. Research Dept. (1990). World Economic Outlook, May 1990. International Monetary Fund.
Chicago (17e ed.) BronvermeldingInternational Monetary Fund. Research Dept. World Economic Outlook, May 1990. Washington, D.C.: International Monetary Fund, 1990.
MLA (8e ed.) BronvermeldingInternational Monetary Fund. Research Dept. World Economic Outlook, May 1990. International Monetary Fund, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.