APA-viite (7. p.)

Gray, D. &. O. (2016). A Critical introduction to Coaching & Mentoring. Sage Publication.

Chicago-viite (17. p.)

Gray, David & Others. A Critical Introduction to Coaching & Mentoring. London: Sage Publication, 2016.

MLA-viite (9. p.)

Gray, David & Others. A Critical Introduction to Coaching & Mentoring. Sage Publication, 2016.