Wallace, R. C. (1989). Sociology (2ª ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Wallace, Richard Cheever. Sociology. 2ª ed. Allyn and Bacon, 1989.
Cita MLA (9th ed.)Wallace, Richard Cheever. Sociology. 2ª ed. Allyn and Bacon, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.