Cita APA (7a ed.)

Walker, S. (2012). Effective social work with children, young people and families: Putting systems theory into practice. SAGE.

Cita Chicago Style (17a ed.)

Walker, Steven. Effective Social Work with Children, Young People and Families: Putting Systems Theory into Practice. Los Angeles [u.a.]: SAGE, 2012.

Cita MLA (8a ed.)

Walker, Steven. Effective Social Work with Children, Young People and Families: Putting Systems Theory into Practice. SAGE, 2012.