APA (7th ed.) Zitazioa
Gelderen, E. v. (2004). Grammaticalization as economy. John Benjamins Pub..
Chicago Style (17th ed.) Zitazioa
Gelderen, Elly van. Grammaticalization as Economy. Philadelphia, PA: John Benjamins Pub., 2004.
MLA (9th ed.) Zitazioa
Gelderen, Elly van. Grammaticalization as Economy. John Benjamins Pub., 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.