Schaefer, Richard T. Sociology : a brief introduction / Richard T. Schaefer. - 6th ed. - New Delhi : Tat McGraw-Hill, 2006. - xxxvi, 507 p. ISBN: 0070611173 : KES 1215 Subjects--Topical Terms: Sociology. LC Class. No.: HM585 / .S33 2006 c. 2