International Monetary Fund. Statistics Dept. (2018). International Financial Statistics, May 2018. International Monetary Fund.
Chicago-referens (17:e uppl.)International Monetary Fund. Statistics Dept. International Financial Statistics, May 2018. Washington, D.C.: International Monetary Fund, 2018.
MLA-referens (8:e uppl.)International Monetary Fund. Statistics Dept. International Financial Statistics, May 2018. International Monetary Fund, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.