APA-ийн эшлэл(7 дахь хэвлэлт)

Sperry,Len, & Sperry,Jon. (2023). Core Clinical Competencies in Counseling and Psychotherapy: Becoming a Highly Competent and Effective Therapist (2nd.). Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Sperry,Len, ба Sperry,Jon. Core Clinical Competencies in Counseling and Psychotherapy: Becoming a Highly Competent and Effective Therapist. 2nd. New York & London: Routledge, 2023.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Sperry,Len, ба Sperry,Jon. Core Clinical Competencies in Counseling and Psychotherapy: Becoming a Highly Competent and Effective Therapist. 2nd. Routledge, 2023.