APA (7th ed.) Zitazioa

Nelson-Jones, R. (2007). Life coaching skills: How to develop skilled clients. SAGE.

Chicago Style (17th ed.) Zitazioa

Nelson-Jones, Richard. Life Coaching Skills: How to Develop Skilled Clients. London ; Thousand Oaks: SAGE, 2007.

MLA (9th ed.) Zitazioa

Nelson-Jones, Richard. Life Coaching Skills: How to Develop Skilled Clients. SAGE, 2007.