Παραπομπή APA

Marian Liebmann. (2010). Art therapy for groups. Routledge.

Παραπομπή Chicago Style

Marian Liebmann. Art Therapy for Groups. London: Routledge, 2010.

Παραπομπή MLA

Marian Liebmann. Art Therapy for Groups. Routledge, 2010.