Tonkin, H. (2011). State control over private military and security companies in armed conflict. Cambridge University Press.
Chicago-referens (17:e uppl.)Tonkin, Hannah. State Control over Private Military and Security Companies in Armed Conflict. Cambridge ; New York: Cambridge University Press, 2011.
MLA-referens (9:e uppl.)Tonkin, Hannah. State Control over Private Military and Security Companies in Armed Conflict. Cambridge University Press, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.