APA (7th ed.) Zitazioa
ebrary, Inc, Chesner, A., & Hahn, H. (2002). Creative advances in groupwork. Jessica Kingsley.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Anna Chesner, eta Herb Hahn. Creative Advances in Groupwork. London: Jessica Kingsley, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Creative Advances in Groupwork. Jessica Kingsley, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.