(1970). Sociology; the study of Social Systems. O.U.P.
Cita Chicago (17th ed.)Sociology; the Study of Social Systems. Delhi: O.U.P, 1970.
Cita MLA (9th ed.)Sociology; the Study of Social Systems. O.U.P, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.