Bormann, E. G. (1992). Effective small group communication (5th.ed.). Burgess.
Chicago Style (17th ed.) ZitazioaBormann, Ernest G. Effective Small Group Communication. 5th.ed. Minneapolis: Burgess, 1992.
MLA (9th ed.) ZitazioaBormann, Ernest G. Effective Small Group Communication. 5th.ed. Burgess, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.