Cita APA (7th ed.)

Piotrowski, J., Coady, D., Ossowski, R., & Tyson, J. (2010). Petroleum Product Subsidies: Costly, Inequitable, and On the Rise. International Monetary Fund.

Cita Chicago (17th ed.)

Piotrowski, John, David Coady, Rolando Ossowski, i Justin Tyson. Petroleum Product Subsidies: Costly, Inequitable, and On the Rise. Washington, D.C.: International Monetary Fund, 2010.

Cita MLA (8th ed.)

Piotrowski, John, et al. Petroleum Product Subsidies: Costly, Inequitable, and On the Rise. International Monetary Fund, 2010.