Steinberg, P. I. (1989). Two Techniques of Supportive Psychotherapy.
Chicago Style aipamenaSteinberg, Paul Ian. Two Techniques of Supportive Psychotherapy. 1989.
MLA aipamenaSteinberg, Paul Ian. Two Techniques of Supportive Psychotherapy. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.