International Labour Office & ebrary, Inc. (2009). Safety and health in underground coalmines. International Labour Office.
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Chicago Style (17th ed.) Citation
International Labour Office and Inc ebrary. Safety and Health in Underground Coalmines. Geneva: International Labour Office, 2009.
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MLA引文
International Labour Office and Inc ebrary. Safety and Health in Underground Coalmines. International Labour Office, 2009.
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警告：這些引文格式不一定是100％准確.