Cita APA (7a ed.)

Calder, A. (2018). A concise introduction to the NIS Directive: A pocket guide for digital service providers. ITGP.

Cita Chicago Style (17a ed.)

Calder, Alan. A Concise Introduction to the NIS Directive: A Pocket Guide for Digital Service Providers. Ely: ITGP, 2018.

Cita MLA (8a ed.)

Calder, Alan. A Concise Introduction to the NIS Directive: A Pocket Guide for Digital Service Providers. ITGP, 2018.