Cambridge Book Online (Online service), Ottinger, R. L., Robinson, N., & Tafur, V. (2005). Compendium of sustainable energy laws. Cambridge University Press. https://doi.org/10.1017/CBO9780511664885
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCambridge Book Online (Online service), Richard L. Ottinger, Nicholas Robinson, और Victor Tafur. Compendium of Sustainable Energy Laws. Cambridge: Cambridge University Press, 2005. https://doi.org/10.1017/CBO9780511664885.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCambridge Book Online (Online service), et al. Compendium of Sustainable Energy Laws. Cambridge University Press, 2005. https://doi.org/10.1017/CBO9780511664885.
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