APA (7 वां संस्करण) प्रशस्ति पत्र

Welfel, E. R. (2010). Ethics in counseling & psychotherapy: Standards, research, and emerging issues (4th ed.). Brooks/Cole.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Welfel, Elizabeth Reynolds. Ethics in Counseling & Psychotherapy: Standards, Research, and Emerging Issues. 4th ed. Australia: Brooks/Cole, 2010.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Welfel, Elizabeth Reynolds. Ethics in Counseling & Psychotherapy: Standards, Research, and Emerging Issues. 4th ed. Brooks/Cole, 2010.