Gaya APA
Asfahl,C.Ray, Rieske,David W. (2010).
Industrial safety and health management (6th.Ed).
Boston:
Pearson.
Gaya Chicago
Asfahl,C.Ray, Rieske,David W.
Industrial safety and health management.
6th.Ed
Boston:
Pearson,
2010.
Text.
Gaya MLA
Asfahl,C.Ray, Rieske,David W.
Industrial safety and health management.
6th.Ed
Boston:
Pearson,
2010.
Text.
Gaya Turabian
Asfahl,C.Ray, Rieske,David W.
Industrial safety and health management.
6th.Ed
Boston:
Pearson,
2010.
Print.