APA (7th ed.) Zitazioa
Blom, E., Craats-Oosterwold, I. v. d., & Verhagen, J. (2013). Dummy auxiliaries in first and second language acquisition. De Gruyter Mouton.
Chicago Style (17th ed.) Zitazioa
Blom, Elma, Ineke va de Craats-Oosterwold, eta Josje Verhagen. Dummy Auxiliaries in First and Second Language Acquisition. Boston: De Gruyter Mouton, 2013.
MLA (9th ed.) Zitazioa
Blom, Elma, et al. Dummy Auxiliaries in First and Second Language Acquisition. De Gruyter Mouton, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.