APA (7th ed.) Zitazioa
Kenny, C. (2011). The power of silence: Silent communication in daily life. Karnac.
Chicago Style (17th ed.) Zitazioa
Kenny, Colum. The Power of Silence: Silent Communication in Daily Life. London: Karnac, 2011.
MLA (9th ed.) Zitazioa
Kenny, Colum. The Power of Silence: Silent Communication in Daily Life. Karnac, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.