Não informado. (1978). Journal for Specialists in Group Work. Association for Specialists in Group Work.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal for Specialists in Group Work. Thousand Oaks, Calif: Association for Specialists in Group Work, 1978.
MLA-Zitierstil (8. Ausg.)Não informado. Journal for Specialists in Group Work. Association for Specialists in Group Work, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.