APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Bartis, J. T. (2005). Oil shale development in the United States: Prospects and policy issues. RAND.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और James T. Bartis. Oil Shale Development in the United States: Prospects and Policy Issues. Santa Monica, Calif.: RAND, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और James T. Bartis. Oil Shale Development in the United States: Prospects and Policy Issues. RAND, 2005.
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