Murgatroyd, S. J. (1987). Reversal theory and psychotherapy.
Lua i Stíl Chicago (17ú heag.)Murgatroyd, Stephen John. Reversal Theory and Psychotherapy. 1987.
Lua MLA (8ú heag.)Murgatroyd, Stephen John. Reversal Theory and Psychotherapy. 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.