APA (7th ed.) Zitazioa
Bache, C., & Davidsen-Nielsen, N. (1997). Mastering English: An advanced grammar for non-native and native speakers. Mouton de Gruyter.
Chicago Style (17th ed.) Zitazioa
Bache, Carl, eta Niels Davidsen-Nielsen. Mastering English: An Advanced Grammar for Non-native and Native Speakers. Berlin ; New York: Mouton de Gruyter, 1997.
MLA (9th ed.) Zitazioa
Bache, Carl, eta Niels Davidsen-Nielsen. Mastering English: An Advanced Grammar for Non-native and Native Speakers. Mouton de Gruyter, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.