Drummond, P., Daal, W., Oliveira, L., & Srivastava, N. (2012). Mobilizing Revenue in Sub-Saharan Africa: Empirical Norms and Key Determinants. International Monetary Fund.
Lua i Stíl Chicago (17ú heag.)Drummond, Paulo, Wendell Daal, Luiz Oliveira, agus Nandini Srivastava. Mobilizing Revenue in Sub-Saharan Africa: Empirical Norms and Key Determinants. Washington, D.C.: International Monetary Fund, 2012.
Lua MLA (8ú heag.)Drummond, Paulo, et al. Mobilizing Revenue in Sub-Saharan Africa: Empirical Norms and Key Determinants. International Monetary Fund, 2012.
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