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.
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