APA-referens (7:e uppl.)

Kottler, J. A., & Blau, D. S. (1989). The imperfect therapist: Learning from failure in therapeutic practice. Jossey-Bass.

Chicago-referens (17:e uppl.)

Kottler, Jeffrey A., och Diane S. Blau. The Imperfect Therapist: Learning from Failure in Therapeutic Practice. San Francisco, Calif: Jossey-Bass, 1989.

MLA-referens (9:e uppl.)

Kottler, Jeffrey A., och Diane S. Blau. The Imperfect Therapist: Learning from Failure in Therapeutic Practice. Jossey-Bass, 1989.