Nelson-Jones, R. (2009). Introduction to counselling skills: Text and activities (3rd ed.). Sage.
Citazione stile Chigago Style (17a edizione)Nelson-Jones, Richard. Introduction to Counselling Skills: Text and Activities. 3rd ed. Los Angeles: Sage, 2009.
Citatione MLA (9a ed.)Nelson-Jones, Richard. Introduction to Counselling Skills: Text and Activities. 3rd ed. Sage, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.