ebrary, Inc. (2001). Guidelines on occupational safety and health management systems. ILO.
Chicagoスタイル(17版)引用形式ebrary, Inc. Guidelines on Occupational Safety and Health Management Systems. Geneva: ILO, 2001.
MLA(9版)引用形式ebrary, Inc. Guidelines on Occupational Safety and Health Management Systems. ILO, 2001.
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