APA (7th ed.) Zitazioa
ebrary, Inc, Hinskens, F., Hout, R. v., & Wetzels, L. (1997). Variation, change and phonological theory. J. Benjamins.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Frans Hinskens, Roeland van Hout, eta Leo Wetzels. Variation, Change and Phonological Theory. Amsterdam ; Philadelphia: J. Benjamins, 1997.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Variation, Change and Phonological Theory. J. Benjamins, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.