Παραπομπή σε μορφή APA (7η εκδ.)

Shulman, L. (1984). The skills of helping: Individuals and groups (2nd ed.). F.E.Peacock Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shulman, Lawrence. The Skills of Helping: Individuals and Groups. 2nd ed. Itasca,: F.E.Peacock Publishers, 1984.

Παραπομπή σε μορφή MLA (8th εκδ.)

Shulman, Lawrence. The Skills of Helping: Individuals and Groups. 2nd ed. F.E.Peacock Publishers, 1984.