Gaya APA

Griffiths, M. et al (2008). INTERNATIONALrnRELATIONSrnThe Key Concepts (Second Edition). USA and Canada: Routledge.

Gaya MLA

Griffiths, Martin. et al. "INTERNATIONALrnRELATIONSrnThe Key Concepts". Second Edition USA and Canada: Routledge, 2008. Text.