Cita APA (7a ed.)

Calder, A. (2017). ISO27001/ISO27002. IT Governance Publishing.

Cita Chicago Style (17a ed.)

Calder, Alan. ISO27001/ISO27002. Ely: IT Governance Publishing, 2017.

Cita MLA (8a ed.)

Calder, Alan. ISO27001/ISO27002. IT Governance Publishing, 2017.