Shulman, L. (1992). The skills of helping: Individuals, families, and groups (3rd ed.). F.E. Peacock.
Cita Chicago Style (17a ed.)Shulman, Lawrence. The Skills of Helping: Individuals, Families, and Groups. 3rd ed. Itasca, Illinois: F.E. Peacock, 1992.
Cita MLA (9a ed.)Shulman, Lawrence. The Skills of Helping: Individuals, Families, and Groups. 3rd ed. F.E. Peacock, 1992.
Precaución: Estas citas no son 100% exactas.