Johnson, D. (2012). Jobsite first aid: A field guide for the construction industry. Delmar Cengage Learning.
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Dyfyniad Arddull Chicago
Johnson, Dan. Jobsite First Aid: A Field Guide for the Construction Industry. Clifton Park, N.Y.: Delmar Cengage Learning, 2012.
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Dyfyniad MLA
Johnson, Dan. Jobsite First Aid: A Field Guide for the Construction Industry. Delmar Cengage Learning, 2012.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.