APA (7th ed.) Zitazioa
ebrary, Inc, Barbiers, L. C. J., Beukema, F. H., & Wurff, W. v. d. (2002). Modality and its interaction with the verbal system. John Benjamins.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Lambertus Christiaan Jozef Barbiers, F. H. Beukema, eta Wim van der Wurff. Modality and Its Interaction with the Verbal System. Amsterdam ; Philadelphia: John Benjamins, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Modality and Its Interaction with the Verbal System. John Benjamins, 2002.
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