Gaya APA
Kuhre, W, L. (1995).
ISO 14001 certification: environmental management system .
Upper Saddle River, New Jersey:
Prentice-Hall.
Gaya MLA
Kuhre, W., Lee.
"ISO 14001 certification: environmental management system".
Upper Saddle River, New Jersey:
Prentice-Hall,
1995.
Text.