ebrary, Inc. (1999). Assessment of future scientific needs for live variola virus. National Academy Press.
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Chicago Style (17th ed.) Citation
ebrary, Inc. Assessment of Future Scientific Needs for Live Variola Virus. Washington, D.C.: National Academy Press, 1999.
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MLA引文
ebrary, Inc. Assessment of Future Scientific Needs for Live Variola Virus. National Academy Press, 1999.
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警告：這些引文格式不一定是100％准確.