Cabrera, E. (2011). Benchmarking water services: Guiding water utilities to excellence. IWA Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCabrera, Enrique. Benchmarking Water Services: Guiding Water Utilities to Excellence. London: IWA Pub, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCabrera, Enrique. Benchmarking Water Services: Guiding Water Utilities to Excellence. IWA Pub, 2011.
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