Lindenfeld, F. (1968). Radical perspectives on social problems. Macmillan.
Cita Chicago (17th ed.)Lindenfeld, Frank. Radical Perspectives on Social Problems. New York: Macmillan, 1968.
Cita MLA (9th ed.)Lindenfeld, Frank. Radical Perspectives on Social Problems. Macmillan, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.