Griffiths, Martin, 1961- International relations : the key concepts / Martin Griffiths, Terry O'Callaghan, Steven C. Roach. - 2. ed. - London : Routledge, 2008. - xvi, 407 p. - Routledge key guides . - Routledge key guides. . ISBN: 0415774365 (hbk.) 9780415774369 (hbk.) 0415774373 (pbk.) 9780415774376 (pbk.) Subjects--Topical Terms: International relations.World politics.Relaciones internacionades. LC Class. No.: R JZ 1160 / G855i 2008