APA-viite (7. p.)

Kopta, S. M. Individual psychotherapy outcome and process research: Challenges leading to greater turmoil or a positive transition? [article].

Chicago-viite (17. p.)

Kopta, S. Mark. Individual Psychotherapy Outcome and Process Research: Challenges Leading to Greater Turmoil or a Positive Transition? [article]. v.50 /p.441-69 1999.

MLA-viite (9. p.)

Kopta, S. Mark. Individual Psychotherapy Outcome and Process Research: Challenges Leading to Greater Turmoil or a Positive Transition? [article].