Leach, G., Jarass, L., & Obermair, G. (1986). Energy and growth: A comparison of 13 industrial and developing countries. Butterworths.
Lua i Stíl Chicago (17ú heag.)Leach, Gerald, Lorenz Jarass, agus Gustav Obermair. Energy and Growth: A Comparison of 13 Industrial and Developing Countries. London ; Boston: Butterworths, 1986.
Lua MLA (9ú heag.)Leach, Gerald, et al. Energy and Growth: A Comparison of 13 Industrial and Developing Countries. Butterworths, 1986.
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