Corey, G. (1990). Theory and practice of group counselling (3rd ed.). Brooks/Cole Publishing.
Chicago-čujuhus (17. p.)Corey, Gerald. Theory and Practice of Group Counselling. 3rd ed. California.: Brooks/Cole Publishing, 1990.
MLA-čujuhus (9. p.)Corey, Gerald. Theory and Practice of Group Counselling. 3rd ed. Brooks/Cole Publishing, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.