Sheldon, R. D. (1980). A Casebook in group therapy: A behavioral cognitive approach. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Sheldon, Rose D. A Casebook in Group Therapy: A Behavioral Cognitive Approach. Englewood Cliffs, NJ: Prentice-Hall, 1980.
Lua MLA (9ú heag.)Sheldon, Rose D. A Casebook in Group Therapy: A Behavioral Cognitive Approach. Prentice-Hall, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.