Cita APA (7a ed.)

Calder, A. (2005). Nine steps to success: An ISO 27001 implementation overview. IT Governance Pub..

Cita Chicago Style (17a ed.)

Calder, Alan. Nine Steps to Success: An ISO 27001 Implementation Overview. Ely, Cambs: IT Governance Pub., 2005.

Cita MLA (8a ed.)

Calder, Alan. Nine Steps to Success: An ISO 27001 Implementation Overview. IT Governance Pub., 2005.