Gray, J. E. (1988). U. S.- Japan energy policy considerations for the 1990s. New York: Lanham.
Čikaški stil citiranjaGray, John E. U. S.- Japan Energy Policy Considerations for the 1990s. New York: Lanham, 1988.
MLA način citiranjaGray, John E. U. S.- Japan Energy Policy Considerations for the 1990s. New York: Lanham, 1988.
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