McConnell, Campbell R. Contemporary labor economics / Campbell R. McConnell, Stanley L. Brue, David A. Macpherson. - 9th ed. - New York : McGraw-Hill Irwin, c2010. - xvi, 624 p. : col. ill. ; 23 cm. - The McGraw-Hill series economics. . ""McGraw-Hill International edition""--Cover. Includes bibliographical references and index. ISBN: 9780070166752 (pbk.) LCCN: 2009022644 Subjects--Topical Terms: Labor economics. Dewey Class. No.: 331