Calder, A. (2016). Nine steps to success: An ISO 27001:2013 implementation overview (Third edition.). IT Governance Publishing.
Chicago-Zitierstil (17. Ausg.)Calder, Alan. Nine Steps to Success: An ISO 27001:2013 Implementation Overview. Third edition. Ely, Cambridgeshire, United Kingdom: IT Governance Publishing, 2016.
MLA-Zitierstil (9. Ausg.)Calder, Alan. Nine Steps to Success: An ISO 27001:2013 Implementation Overview. Third edition. IT Governance Publishing, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.