Hammer, W. (1985). Occupational safety management and engineering (3ª ed.). Prentice Hall.
Čikaški stil citiranja (17. izdanje)Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.
MLA način citiranja (9. izdanje)Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.
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