ebrary, Inc, & Perrin, B. (2012). Modern warfare: Armed groups, private militaries, humanitarian organizations, and the law. UBC Press.

ebrary, Inc, and Benjamin Perrin. Modern Warfare: Armed Groups, Private Militaries, Humanitarian Organizations, and the Law. Vancouver: UBC Press, 2012.

ebrary, Inc, and Benjamin Perrin. Modern Warfare: Armed Groups, Private Militaries, Humanitarian Organizations, and the Law. UBC Press, 2012.