Mooney, L. A., Knox, D., & Schacht, C. (2009). Understanding social problems (Sixth edition.). Wadsworth Cengage Learning.
Cita Chicago (17th ed.)Mooney, Linda A., David Knox, i Caroline Schacht. Understanding Social Problems. Sixth edition. Belmont, California: Wadsworth Cengage Learning, 2009.
Cita MLA (9th ed.)Mooney, Linda A., et al. Understanding Social Problems. Sixth edition. Wadsworth Cengage Learning, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.