ebrary, Inc. (1990). Competitiveness of the U.S. minerals and metals industry. National Academy Press.
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Chicago Style (17th ed.) Citation
ebrary, Inc. Competitiveness of the U.S. Minerals and Metals Industry. Washington, D.C. ; [Great Britain]: National Academy Press, 1990.
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MLA引文
ebrary, Inc. Competitiveness of the U.S. Minerals and Metals Industry. National Academy Press, 1990.
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警告:這些引文格式不一定是100%准確.