APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Kraus, R., Zack, J. S., & Stricker, G. (2010). Online counseling: A handbook for mental health professionals (2nd ed.). Elsevier.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Ron Kraus, Jason S. Zack, और George Stricker. Online Counseling: A Handbook for Mental Health Professionals. 2nd ed. Amsterdam: Elsevier, 2010.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, et al. Online Counseling: A Handbook for Mental Health Professionals. 2nd ed. Elsevier, 2010.