Gray, D. &. O. (2016). A Critical introduction to Coaching & Mentoring. Sage Publication.
Chicago-čujuhus (17. p.)Gray, David & Others. A Critical Introduction to Coaching & Mentoring. London: Sage Publication, 2016.
MLA-čujuhus (9. p.)Gray, David & Others. A Critical Introduction to Coaching & Mentoring. Sage Publication, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.