APA (7th ed.) Zitazioa
BARLOW, W. C. (1993). Fast Language Training 1 (10 ed.). Circulo do livro.
Chicago Style (17th ed.) Zitazioa
BARLOW, William C. Fast Language Training 1. 10 ed. São Paulo: Circulo do livro, 1993.
MLA (9th ed.) Zitazioa
BARLOW, William C. Fast Language Training 1. 10 ed. Circulo do livro, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.