Farhan, N. (2009). Sao Tome and Principe: Domestic Tax System and Tax Revenue Potential. International Monetary Fund.
Citace podle Chicago (17th ed.)Farhan, Nisreen. Sao Tome and Principe: Domestic Tax System and Tax Revenue Potential. Washington, D.C.: International Monetary Fund, 2009.
Citace podle MLA (8th ed.)Farhan, Nisreen. Sao Tome and Principe: Domestic Tax System and Tax Revenue Potential. International Monetary Fund, 2009.
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