Cita APA (7a ed.)

Calder, A. (2005). Nine steps to success: An ISO 27001 implementation overview (1st edition.). IT Governance Pub.

Cita Chicago Style (17a ed.)

Calder, Alan. Nine Steps to Success: An ISO 27001 Implementation Overview. 1st edition. Ely, U.K.: IT Governance Pub, 2005.

Cita MLA (9a ed.)

Calder, Alan. Nine Steps to Success: An ISO 27001 Implementation Overview. 1st edition. IT Governance Pub, 2005.