APA (7th ed.) Zitazioa
Choudhury, S. (2004). Better Spoken English. Vikas Pub.
Chicago Style (17th ed.) Zitazioa
Choudhury, Shreesh. Better Spoken English. New Delhi: Vikas Pub, 2004.
MLA (9th ed.) Zitazioa
Choudhury, Shreesh. Better Spoken English. Vikas Pub, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.