Epstein, L. (1992). Brief treatment and a new look at the task-centered approach (3rd ed.). Macmillan.
Chicago Style aipamenaEpstein, Laura. Brief Treatment and a New Look at the Task-centered Approach. 3rd ed. New York: Macmillan, 1992.
MLA aipamenaEpstein, Laura. Brief Treatment and a New Look at the Task-centered Approach. 3rd ed. Macmillan, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.