APA Style
Wentz, charles A.. (1998).
Safety, health, and environmental protection .
Singapore:
McGraw-Hill.
Chicago Style
Wentz, charles A..
Safety, health, and environmental protection.
Singapore:
McGraw-Hill,
1998.
Buku Teks.
MLA Style
Wentz, charles A..
Safety, health, and environmental protection.
Singapore:
McGraw-Hill,
1998.
Buku Teks.
Turabian Style
Wentz, charles A..
Safety, health, and environmental protection.
Singapore:
McGraw-Hill,
1998.
Buku Teks.