Occupational Safety,Health and Environment Unit. (2012). University manual of occupational safety and health. Penerbit UTM Press: Dinamik Erajaya SDN.BHD..
Citace podle Chicago (17th ed.)Occupational Safety,Health and Environment Unit. University Manual of Occupational Safety and Health. Penerbit UTM Press: Dinamik Erajaya SDN.BHD., 2012.
Citace podle MLA (9th ed.)Occupational Safety,Health and Environment Unit. University Manual of Occupational Safety and Health. Penerbit UTM Press: Dinamik Erajaya SDN.BHD., 2012.
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