APA (7th ed.) Zitazioa
Michaelis, L. A. (1998). Aspectual grammar and past-time reference. Routledge.
Chicago Style (17th ed.) Zitazioa
Michaelis, Laura A. Aspectual Grammar and Past-time Reference. London ; New York: Routledge, 1998.
MLA (9th ed.) Zitazioa
Michaelis, Laura A. Aspectual Grammar and Past-time Reference. Routledge, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.