Cita APA

Shulman, L. The skills of helping: Individuals and groups / Lawrence Shulman (2.). Itasca, Illinois : F.E. Peacock Publishers.

Citación estilo Chicago

Shulman, Lawrence. The Skills of Helping: Individuals and Groups / Lawrence Shulman. 2. Itasca, Illinois : F.E. Peacock Publishers.

Cita MLA

Shulman, Lawrence. The Skills of Helping: Individuals and Groups / Lawrence Shulman. 2. Itasca, Illinois : F.E. Peacock Publishers.