Citazione Stile APA (7a Edizione)

Barker, R. L. (1984). Social work in private practice: Principles, issues, and dilemmas. National Association of Social Workers.

Citazione stile Chigago Style (17a edizione)

Barker, Robert L. Social Work in Private Practice: Principles, Issues, and Dilemmas. Silver Spring, Md: National Association of Social Workers, 1984.

Citatione MLA (9a ed.)

Barker, Robert L. Social Work in Private Practice: Principles, Issues, and Dilemmas. National Association of Social Workers, 1984.