Persell, C. H. (1987). Understanding society: An introduction to sociology (2nd ed.). Harper & Row.
Cita Chicago (17th ed.)Persell, Caroline Hodges. Understanding Society: An Introduction to Sociology. 2nd ed. New York: Harper & Row, 1987.
Cita MLA (9th ed.)Persell, Caroline Hodges. Understanding Society: An Introduction to Sociology. 2nd ed. Harper & Row, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.