(1992). Engineering Safety. McGraw-Hill.
Chicago-viite (17. p.)Engineering Safety. McGraw-Hill, 1992.
MLA-viite (8. p.)Engineering Safety. McGraw-Hill, 1992.
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(1992). Engineering Safety. McGraw-Hill.
Chicago-viite (17. p.)Engineering Safety. McGraw-Hill, 1992.
MLA-viite (8. p.)Engineering Safety. McGraw-Hill, 1992.