APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Utrick, J. B. (2009). Energy and buildings: Efficiency, air quality and conservation. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Joseph B. Utrick. Energy and Buildings: Efficiency, Air Quality and Conservation. New York: Nova Science Publishers, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Joseph B. Utrick. Energy and Buildings: Efficiency, Air Quality and Conservation. Nova Science Publishers, 2009.
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