APA (7th ed.) Zitazioa
Fairbanks, G. (1960). Voice and articulation drillbook. Harper.
Chicago Style (17th ed.) Zitazioa
Fairbanks, Grant. Voice and Articulation Drillbook. Nueva York, EUA: Harper, 1960.
MLA (9th ed.) Zitazioa
Fairbanks, Grant. Voice and Articulation Drillbook. Harper, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.