ebrary, Inc, Kowalczyk, L., & Piotrowski, J. (2009). Energy costs, international developments and new directions. Nova Science Publishers.
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Cita Chicago (17th ed.)
ebrary, Inc, Leszek Kowalczyk, i Jakub Piotrowski. Energy Costs, International Developments and New Directions. New York: Nova Science Publishers, 2009.
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Cita MLA (9th ed.)
ebrary, Inc, et al. Energy Costs, International Developments and New Directions. Nova Science Publishers, 2009.
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