APA (7e ed.) Bronvermelding

Sorsa, P. (1999). Macroeconomic Conditions and Import Surcharges in Selected Transition Economies. International Monetary Fund.

Chicago (17e ed.) Bronvermelding

Sorsa, Piritta. Macroeconomic Conditions and Import Surcharges in Selected Transition Economies. Washington, D.C.: International Monetary Fund, 1999.

MLA (8e ed.) Bronvermelding

Sorsa, Piritta. Macroeconomic Conditions and Import Surcharges in Selected Transition Economies. International Monetary Fund, 1999.