Gong, X. (1994). Improving the Estimation Methodology of Monthly Data in Direction of Trade Statistics. International Monetary Fund.
Chicago (17e ed.) BronvermeldingGong, Xiaoning. Improving the Estimation Methodology of Monthly Data in Direction of Trade Statistics. Washington, D.C.: International Monetary Fund, 1994.
MLA (8e ed.) BronvermeldingGong, Xiaoning. Improving the Estimation Methodology of Monthly Data in Direction of Trade Statistics. International Monetary Fund, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.