Corey, G. (2017). Theory and practice of counselling and psychotherapy (10th edition.). Cengage Learning Asia Pte Ltd.
Citazione stile Chigago Style (17a edizione)Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 10th edition. Singapore: Cengage Learning Asia Pte Ltd, 2017.
Citatione MLA (9a ed.)Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 10th edition. Cengage Learning Asia Pte Ltd, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.