Whitelaw, K. (1997). ISO 14001 environmental systems handbook. Butterworth Heinemann.
Chicago-čujuhus (17. p.)Whitelaw, Ken. ISO 14001 Environmental Systems Handbook. Oxford; Boston: Butterworth Heinemann, 1997.
MLA-čujuhus (9. p.)Whitelaw, Ken. ISO 14001 Environmental Systems Handbook. Butterworth Heinemann, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.