Barker, P., & Chang, J. (2013). Basic family therapy (6th ed.). Wiley-Blackwell.
Citazione stile Chigago Style (17a edizione)Barker, Philip, e Jeff Chang. Basic Family Therapy. 6th ed. Chichester, West Sussex, UK ; Hoboken, NJ: Wiley-Blackwell, 2013.
Citatione MLA (9a ed.)Barker, Philip, e Jeff Chang. Basic Family Therapy. 6th ed. Wiley-Blackwell, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.