Rao Shankar C.N. (2008). Sociology Principles of Sociology (7th ed.). S.chand & Company Ltd.
Tohutoru Kātū Chicago (17th ed.)Rao Shankar C.N. Sociology Principles of Sociology. 7th ed. Newdellhi: S.chand & Company Ltd, 2008.
Tohutoro MLA (9th ed.)Rao Shankar C.N. Sociology Principles of Sociology. 7th ed. S.chand & Company Ltd, 2008.
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