Teri KWal Gamble & Gamble Michael. (2013). Communication Works (11th ed.). Mc Graw Hill.
Chicago Style (17th ed.) ZitazioaTeri KWal Gamble eta Gamble Michael. Communication Works. 11th ed. Newyork: Mc Graw Hill, 2013.
MLA (9th ed.) ZitazioaTeri KWal Gamble eta Gamble Michael. Communication Works. 11th ed. Mc Graw Hill, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.