SHULMAN, L. (1984). The skills of helping: Individuals and groups.-- Ed.2. F E Peacock Pub.
Cita Chicago (17th ed.)SHULMAN, Lawrence. The Skills of Helping: Individuals and Groups.-- Ed.2. Itasca: F E Peacock Pub, 1984.
Cita MLA (9th ed.)SHULMAN, Lawrence. The Skills of Helping: Individuals and Groups.-- Ed.2. F E Peacock Pub, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.