Gaya APA
Koren, Herman. (1980).
Handbook of environmental health and safety : principles and practices .
New York:
Pergamon Press.
Gaya Chicago
Koren, Herman.
Handbook of environmental health and safety : principles and practices.
New York:
Pergamon Press,
1980.
Text.
Gaya MLA
Koren, Herman.
Handbook of environmental health and safety : principles and practices.
New York:
Pergamon Press,
1980.
Text.
Gaya Turabian
Koren, Herman.
Handbook of environmental health and safety : principles and practices.
New York:
Pergamon Press,
1980.
Print.