APA (7th ed.) Zitazioa
Bormann, E. G. (1968). Discussion and group methods: Theory and practice. Harper & Row.
Chicago Style (17th ed.) Zitazioa
Bormann, Ernest G. Discussion and Group Methods: Theory and Practice. New York: Harper & Row, 1968.
MLA (9th ed.) Zitazioa
Bormann, Ernest G. Discussion and Group Methods: Theory and Practice. Harper & Row, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.