APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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