Mendoza, Manuel G. Systems of society : an introduction to social science / Manuel G. Mendoza, Vince Napoli. - 7th ed. - Lexington, Mass. : D.C. Heath, c2000. - ix, 590 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0669393193 Subjects--Topical Terms: Social sciences. LC Class. No.: H85 / .M46 1995