APA (7 वां संस्करण) प्रशस्ति पत्र

Kopp, B., & Crouch, A. (2016). The CPCAB model of helping work and counselling practice. Counselling Channel.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kopp, Barry, और Anthony Crouch. The CPCAB Model of Helping Work and Counselling Practice. Glastonbury, England: Counselling Channel, 2016.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kopp, Barry, और Anthony Crouch. The CPCAB Model of Helping Work and Counselling Practice. Counselling Channel, 2016.