Hough, P. (2004). Understanding global security. Routledge.
Cita Chicago Style (17a ed.)Hough, Peter. Understanding Global Security. London: Routledge, 2004.
Cita MLA (9a ed.)Hough, Peter. Understanding Global Security. Routledge, 2004.
Precaución: Estas citas no son 100% exactas.