Barker, P., & Chang, J. (2013). Basic family therapy (6th ed.). Wiley-Blackwell.
Cita Chicago (17th ed.)Barker, Philip, i Jeff Chang. Basic Family Therapy. 6th ed. Chichester, West Sussex, UK ; Hoboken, NJ: Wiley-Blackwell, 2013.
Cita MLA (9th ed.)Barker, Philip, i Jeff Chang. Basic Family Therapy. 6th ed. Wiley-Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.