Nelson-Jones, R. (2012). Basic counselling skills: A helper's manual (3rd ed.). Sage.
Citazione stile Chigago Style (17a edizione)Nelson-Jones, Richard. Basic Counselling Skills: A Helper's Manual. 3rd ed. Los Angeles: Sage, 2012.
Citatione MLA (9a ed.)Nelson-Jones, Richard. Basic Counselling Skills: A Helper's Manual. 3rd ed. Sage, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.