APA Style
Wentz, Charles A. (c1998.).
Safety, health, and environmental protection .
Boston, Mass:
WCB/McGraw-Hill.
Chicago Style
Wentz, Charles A.
Safety, health, and environmental protection.
Boston, Mass:
WCB/McGraw-Hill,
c1998..
Buku Teks.
MLA Style
Wentz, Charles A.
Safety, health, and environmental protection.
Boston, Mass:
WCB/McGraw-Hill,
c1998..
Buku Teks.
Turabian Style
Wentz, Charles A.
Safety, health, and environmental protection.
Boston, Mass:
WCB/McGraw-Hill,
c1998..
Buku Teks.