ebrary, Inc, Greif, G. L., & Ephross, P. H. (2005). Group work with populations at risk (2nd ed.). Oxford University Press.
芝加哥风格引文ebrary, Inc, Geoffrey L. Greif, 与 Paul H. Ephross. Group Work with Populations at Risk. 2nd ed. New York: Oxford University Press, 2005.
MLA引文ebrary, Inc, et al. Group Work with Populations at Risk. 2nd ed. Oxford University Press, 2005.
警告:这些引文格式不一定是100%准确.