Douglas, J. D. (1973). Introduction to sociology: Situations and structures. Free Press.
Cita Chicago (17th ed.)Douglas, Jack D. Introduction to Sociology: Situations and Structures. New York: Free Press, 1973.
Cita MLA (9th ed.)Douglas, Jack D. Introduction to Sociology: Situations and Structures. Free Press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.