Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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