Cita APA (7th ed.)

Williams, P., Parker, J., & Bradley, G. (2006). Social work with people with learning difficulties. Learning Matters.

Cita Chicago (17th ed.)

Williams, Paul, Jonathan Parker, i Greta Bradley. Social Work with People with Learning Difficulties. Exeter: Learning Matters, 2006.

Cita MLA (9th ed.)

Williams, Paul, et al. Social Work with People with Learning Difficulties. Learning Matters, 2006.