Mooney, Linda A. Understanding social problems / Linda A. Mooney, David Knox, Caroline Schacht. - 7th ed., International ed. - Belmont, Calif. : Wadsworth/Cengage Learning, c2011. - xxvii, 599, 8, 42, 23 p. : col. ill. ; 26 cm. Previous ed.: 2009. "International edition--Cover". Includes bibliographical references and index. ISBN: 9780840031549 0840031548 Subjects--Topical Terms: Social problems--United States. Subjects--Geographic Terms: United States--Social conditions--1980- LC Class. No.: HN59.2 / .M66 2011