Gray, J. E. (1988). U. S.- Japan energy policy considerations for the 1990s. New York: Lanham.
शिकागो स्टाइल उद्धरणGray, John E. U. S.- Japan Energy Policy Considerations for the 1990s. New York: Lanham, 1988.
एमएलए उद्धरणGray, John E. U. S.- Japan Energy Policy Considerations for the 1990s. New York: Lanham, 1988.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.