Baker, P. J., Anderson, L. E., & Dorn, D. S. (1993). Social problems: A critical thinking approach (2nd ed.). Wadsworth Pub.
Cita Chicago (17th ed.)Baker, Paul J., Louise E. Anderson, i Dean S. Dorn. Social Problems: A Critical Thinking Approach. 2nd ed. Belmont, Calif: Wadsworth Pub, 1993.
Cita MLA (9th ed.)Baker, Paul J., et al. Social Problems: A Critical Thinking Approach. 2nd ed. Wadsworth Pub, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.