Robertson, G. (2015). Robertson on library security and disaster planning. Chandos Publishing.
Chicago-referens (17:e uppl.)Robertson, Guy. Robertson on Library Security and Disaster Planning. Amsterdam: Chandos Publishing, 2015.
MLA-referens (9:e uppl.)Robertson, Guy. Robertson on Library Security and Disaster Planning. Chandos Publishing, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.