Gray, J. E. (1988). U. S.- Japan energy policy considerations for the 1990s. New York: Lanham.
Chicago Style CitationGray, John E. U. S.- Japan Energy Policy Considerations for the 1990s. New York: Lanham, 1988.
Cita MLAGray, John E. U. S.- Japan Energy Policy Considerations for the 1990s. New York: Lanham, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.