Παραπομπή σε μορφή APA (7η εκδ.)

KUHRE, W. L. (1995). Iso 14001 Certification Environmental Management Preparing Effective Environmental Management Systems W. Lee. Prentice-Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

KUHRE, W. Lee. Iso 14001 Certification Environmental Management Preparing Effective Environmental Management Systems W. Lee. Prentice-Hall, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

KUHRE, W. Lee. Iso 14001 Certification Environmental Management Preparing Effective Environmental Management Systems W. Lee. Prentice-Hall, 1995.