Style de citation APA (7e éd.)

Viira, T. (2018). Lessons learned: Critical information infrastructure protection : how to protect critical information infrastructure. IT Governance Publishing.

Style de citation Chicago (17e éd.)

Viira, Toomas. Lessons Learned: Critical Information Infrastructure Protection : How to Protect Critical Information Infrastructure. Ely: IT Governance Publishing, 2018.

Style de citation MLA (8e éd.)

Viira, Toomas. Lessons Learned: Critical Information Infrastructure Protection : How to Protect Critical Information Infrastructure. IT Governance Publishing, 2018.