(1992). Engineering Safety. McGraw-Hill.
Chicago Style aipamenaEngineering Safety. McGraw-Hill, 1992.
MLA aipamenaEngineering Safety. McGraw-Hill, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1992). Engineering Safety. McGraw-Hill.
Chicago Style aipamenaEngineering Safety. McGraw-Hill, 1992.
MLA aipamenaEngineering Safety. McGraw-Hill, 1992.