APA ציטוט

Whitelaw, K. (1997). ISO 14001 environmental systems handbook. Butterworth Heinemann.

Chicago Style (17th ed.) Citation

Whitelaw, Ken. ISO 14001 Environmental Systems Handbook. Oxford; Boston: Butterworth Heinemann, 1997.

ציטוט MLA

Whitelaw, Ken. ISO 14001 Environmental Systems Handbook. Butterworth Heinemann, 1997.