Amin, S., Das, J., & Goldstein, M. P. (2008). Are you being served?: New tools for measuring service delivery. The World Bank.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmin, Samia, Jishnu Das, এবং Markus P. Goldstein. Are You Being Served?: New Tools for Measuring Service Delivery. Washington, DC: The World Bank, 2008.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAmin, Samia, et al. Are You Being Served?: New Tools for Measuring Service Delivery. The World Bank, 2008.