Jackson, Robert. Introduction to international relations : theories and approaches / Robert Jackson and Georg Sørensen. - 5th ed. - New delhi : Oxdord university press, c 2013. - xxiv, 348 p. ; 24 cm. Includes index. 348 348 ISBN: 978-0-19-881435-1 Subjects--Topical Terms: International relations. Dewey Class. No.: 327.1 / J13i