Carbonari, F., Carlos Parra, J. und Reuben, W. (2012) Learning by Doing [cd], en breve. World Bank, Washington, DC: The World Bank Group. doi:10986/10204.

Carbonari, Flavia, Juan Carlos Parra, und William Reuben. Learning by Doing. Cd. en breve. World Bank, Washington, DC: The World Bank Group, [2012?], World Bank, Washington, DC: The World Bank Group, [2012?]. https://doi.org/10986/10204.

Carbonari, F., Carlos Parra, J., & Reuben, W. (ca. 2012). Learning by Doing [Cd]. In en breve. The World Bank Group. https://doi.org/10986/10204

Carbonari, F., J. Carlos Parra, und W. Reuben. „Learning by Doing“. en breve, cd, The World Bank Group, 2012, https://doi.org/10986/10204.

CARBONARI, Flavia, Juan CARLOS PARRA und William REUBEN, 2012. Learning by Doing. World Bank, Washington, DC: The World Bank Group