Cita APA (7a ed.)
Breisinger, C., Engelke, W., & Ecker, O. (2011). Petroleum subsidies in Yemen: Leveraging reform for development. World Bank.
Cita Chicago Style (17a ed.)
Breisinger, Clemens, Wilfried Engelke, y Olivier Ecker. Petroleum Subsidies in Yemen: Leveraging Reform for Development. World Bank, 2011.
Cita MLA (9a ed.)
Breisinger, Clemens, et al. Petroleum Subsidies in Yemen: Leveraging Reform for Development. World Bank, 2011.
Precaución: Estas citas no son 100% exactas.