Piotrowski, J., Coady, D., Ossowski, R., & Tyson, J. (2010). Petroleum Product Subsidies: Costly, Inequitable, and On the Rise. International Monetary Fund.
Chicago-referens (17:e uppl.)Piotrowski, John, David Coady, Rolando Ossowski, och Justin Tyson. Petroleum Product Subsidies: Costly, Inequitable, and On the Rise. Washington, D.C.: International Monetary Fund, 2010.
MLA-referens (8:e uppl.)Piotrowski, John, et al. Petroleum Product Subsidies: Costly, Inequitable, and On the Rise. International Monetary Fund, 2010.
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