Nelson-Jones, R. (2007). Life coaching skills: How to develop skilled clients. SAGE.
Citazione stile Chigago Style (17a edizione)Nelson-Jones, Richard. Life Coaching Skills: How to Develop Skilled Clients. London ; Thousand Oaks: SAGE, 2007.
Citatione MLA (9a ed.)Nelson-Jones, Richard. Life Coaching Skills: How to Develop Skilled Clients. SAGE, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.