Gray, D. &. O. (2016). A Critical introduction to Coaching & Mentoring. Sage Publication.
Cita Chicago (17th ed.)Gray, David & Others. A Critical Introduction to Coaching & Mentoring. London: Sage Publication, 2016.
Cita MLA (9th ed.)Gray, David & Others. A Critical Introduction to Coaching & Mentoring. Sage Publication, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.