EN 16001 : Energy management systems - requirements with guidance for use.

MLA

En 16001 : Energy Management Systems - Requirements with Guidance for Use. Brussels: CEN/CENELEC, 2009.

APA

(2009). EN 16001 : Energy management systems - requirements with guidance for use. Brussels: CEN/CENELEC.

Chicago

EN 16001: Energy Management Systems - Requirements with Guidance for Use. Brussels: CEN/CENELEC, 2009.