Gorell, R. (2013). Group coaching: A practical guide to optimizing collective talent in any organization (1st Edition.). Kogan Page Ltd.
Citazione stile Chigago Style (17a edizione)Gorell, Ro. Group Coaching: A Practical Guide to Optimizing Collective Talent in Any Organization. 1st Edition. Philadelphia, PA: Kogan Page Ltd, 2013.
Citatione MLA (9a ed.)Gorell, Ro. Group Coaching: A Practical Guide to Optimizing Collective Talent in Any Organization. 1st Edition. Kogan Page Ltd, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.