Cita APA (7th ed.)

Williams, P., Evans, M., Parker, J., & Bradley, G. (2013). Social work with people with learning difficulties (3rd ed.). Learning Matters.

Cita Chicago (17th ed.)

Williams, Paul, Michelle Evans, Jonathan Parker, i Greta Bradley. Social Work with People with Learning Difficulties. 3rd ed. London: Learning Matters, 2013.

Cita MLA (9th ed.)

Williams, Paul, et al. Social Work with People with Learning Difficulties. 3rd ed. Learning Matters, 2013.