Persell, C. H. (1984). Understanding society. Harper & Row Publishers.
Cita Chicago (17th ed.)Persell, Caroline Hodges. Understanding Society. New York: Harper & Row Publishers, 1984.
Cita MLA (9th ed.)Persell, Caroline Hodges. Understanding Society. Harper & Row Publishers, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.