Cita APA (7th ed.)

Zhan, Z., & York, R. (2009). Fiscal Vulnerability and Sustainability in Oil-Producing Sub-Saharan African Countries. International Monetary Fund.

Cita Chicago (17th ed.)

Zhan, Zaijin, i Robert York. Fiscal Vulnerability and Sustainability in Oil-Producing Sub-Saharan African Countries. Washington, D.C.: International Monetary Fund, 2009.

Cita MLA (8th ed.)

Zhan, Zaijin, i Robert York. Fiscal Vulnerability and Sustainability in Oil-Producing Sub-Saharan African Countries. International Monetary Fund, 2009.