Gregory, Paul R. The global economy and its economic systems / Paul R. Gregory, Robert C. Stuart. - Mason, OH : South-Western Cengage Learning, 2014. - xvii, 685 p. : charts, ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9781285055350 (hbk.) RM631.03 1285055357 (hbk.) Subjects--Topical Terms: Economics.Economics--History.