Cita APA (7th ed.)

Mandell, B. R., & Schram, B. (1983). Human services: Strategies of intervention. Wiley.

Cita Chicago (17th ed.)

Mandell, Betty Reid, i Barbara Schram. Human Services: Strategies of Intervention. New York: Wiley, 1983.

Cita MLA (9th ed.)

Mandell, Betty Reid, i Barbara Schram. Human Services: Strategies of Intervention. Wiley, 1983.