Leach, G., Jarass, L., & Obermair, G. (1986). Energy and growth: A comparison of 13 industrial and developing countries. Butterworths.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeach, Gerald, Lorenz Jarass, और Gustav Obermair. Energy and Growth: A Comparison of 13 Industrial and Developing Countries. London ; Boston: Butterworths, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeach, Gerald, et al. Energy and Growth: A Comparison of 13 Industrial and Developing Countries. Butterworths, 1986.
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