Lua APA (7ú heag.)
Proctor, B. (2000). Group supervision: A guide to creative practice. SAGE Publications.
Lua i Stíl Chicago (17ú heag.)
Proctor, Brigid. Group Supervision: A Guide to Creative Practice. London ; Thousand Oaks, Calif.: SAGE Publications, 2000.
Lua MLA (9ú heag.)
Proctor, Brigid. Group Supervision: A Guide to Creative Practice. SAGE Publications, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.