Association of Energy Engineers. (2001). E-Business: Energy & facility management. Fairmont Press ; Distributed by Prentice Hall PTR.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAssociation of Energy Engineers. E-Business: Energy & Facility Management. Lilburn, Ga. : Upper Saddle River, N.J.: Fairmont Press ; Distributed by Prentice Hall PTR, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAssociation of Energy Engineers. E-Business: Energy & Facility Management. Fairmont Press ; Distributed by Prentice Hall PTR, 2001.
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