Dokumentuaren aipamena

APA (7th ed.) Zitazioa
ebrary, Inc, & Walker, J. A. (2010). Aspect in grammatical variation. John Benjamins Pub. Company.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta James A. Walker. Aspect in Grammatical Variation. Amsterdam ; Philadelphia: John Benjamins Pub. Company, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta James A. Walker. Aspect in Grammatical Variation. John Benjamins Pub. Company, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.