Mullan, H., & Rosenbaum, M. (1978). Group psychotherapy: Theory and practice. Free Press.
Lua i Stíl Chicago (17ú heag.)Mullan, Hugh, agus Max Rosenbaum. Group Psychotherapy: Theory and Practice. New York: Free Press, 1978.
Lua MLA (9ú heag.)Mullan, Hugh, agus Max Rosenbaum. Group Psychotherapy: Theory and Practice. Free Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.