ebrary, Inc, & Lambert, M. J. (2013). Bergin and Garfield's handbook of psychotherapy and behavior change (6th ed.). John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Michael J. Lambert. Bergin and Garfield's Handbook of Psychotherapy and Behavior Change. 6th ed. Hoboken, N.J.: John Wiley & Sons, 2013.
Lua MLA (9ú heag.)ebrary, Inc, agus Michael J. Lambert. Bergin and Garfield's Handbook of Psychotherapy and Behavior Change. 6th ed. John Wiley & Sons, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.