Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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