Kuhre, W. L. (1995). ISO 14001 certification: Environmental management systems : a practical guide for preparing effective environmental management systems. Prentice Hall.
Chicago-Zitierstil (17. Ausg.)Kuhre, W. Lee. ISO 14001 Certification: Environmental Management Systems : A Practical Guide for Preparing Effective Environmental Management Systems. Upper Saddle River, N.J: Prentice Hall, 1995.
MLA-Zitierstil (9. Ausg.)Kuhre, W. Lee. ISO 14001 Certification: Environmental Management Systems : A Practical Guide for Preparing Effective Environmental Management Systems. Prentice Hall, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.