APA (7e ed.) Bronvermelding
Corey, G. (1990). Theory and practice of counselling and psychotherapy (3rd ed.). Brooks/cole.
Chicago (17e ed.) Bronvermelding
Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 3rd ed. California: Brooks/cole, 1990.
MLA (9e ed.) Bronvermelding
Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 3rd ed. Brooks/cole, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.