APA Style

Brown, C., Ainley, K. (2009). Understanding International Relations. (4th ed. rev.). New York.: Palgrave Macmillan..

MLA Style

Brown, Chris.., Ainley, Kirsten.. "Understanding International Relations.". 4th ed. rev. New York.: Palgrave Macmillan., 2009. หนังสือ (Book).