Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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