Hasenfeld, Y., & English, R. A. (1974). Human service organizations: A book of readings. University of Michigan Press.
Cita Chicago (17th ed.)Hasenfeld, Yeheskel, i Richard A. English. Human Service Organizations: A Book of Readings. Ann Arbor: University of Michigan Press, 1974.
Cita MLA (9th ed.)Hasenfeld, Yeheskel, i Richard A. English. Human Service Organizations: A Book of Readings. University of Michigan Press, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.