Amin, S., Das, J., & Goldstein, M. P. (2008). Are you being served?: New tools for measuring service delivery. The World Bank.
Cita Chicago (17th ed.)Amin, Samia, Jishnu Das, i Markus P. Goldstein. Are You Being Served?: New Tools for Measuring Service Delivery. Washington, DC: The World Bank, 2008.
Cita MLA (9th ed.)Amin, Samia, et al. Are You Being Served?: New Tools for Measuring Service Delivery. The World Bank, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.