Gaya APA
WENT, Charles A. (1999).
Safety, Health, and Environmental: Protection .
Boston:
McGraw-Hill.
Gaya Chicago
WENT, Charles A.
Safety, Health, and Environmental: Protection.
Boston:
McGraw-Hill,
1999.
Buku Text.
Gaya MLA
WENT, Charles A.
Safety, Health, and Environmental: Protection.
Boston:
McGraw-Hill,
1999.
Buku Text.
Gaya Turabian
WENT, Charles A.
Safety, Health, and Environmental: Protection.
Boston:
McGraw-Hill,
1999.
Buku Text.