Cita APA (7th ed.)
ebrary, Inc, Greif, G. L., & Ephross, P. H. (2005). Group work with populations at risk (2nd ed.). Oxford University Press.
Cita Chicago (17th ed.)
ebrary, Inc, Geoffrey L. Greif, i Paul H. Ephross. Group Work with Populations at Risk. 2nd ed. New York: Oxford University Press, 2005.
Cita MLA (9th ed.)
ebrary, Inc, et al. Group Work with Populations at Risk. 2nd ed. Oxford University Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.