Robertson, G. (2015). Robertson on library security and disaster planning. Chandos Publishing.
Cita Chicago (17th ed.)Robertson, Guy. Robertson on Library Security and Disaster Planning. Amsterdam: Chandos Publishing, 2015.
Cita MLA (9th ed.)Robertson, Guy. Robertson on Library Security and Disaster Planning. Chandos Publishing, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.