GOETSCH, D. L. (2015). Occupational safety and health for technologists, engineers, and manager 8th ed. Pearson Ed.
Lua i Stíl Chicago (17ú heag.)GOETSCH, David L. Occupational Safety and Health for Technologists, Engineers, and Manager 8th Ed. Pearson Ed, 2015.
Lua MLA (8ú heag.)GOETSCH, David L. Occupational Safety and Health for Technologists, Engineers, and Manager 8th Ed. Pearson Ed, 2015.
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