APA (7th ed.) Zitazioa
ebrary, Inc, Traugott, E. C., & Trousdale, G. (2010). Gradience, gradualness and grammaticalization. John Benjamins Pub. Company.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Elizabeth Closs Traugott, eta Graeme Trousdale. Gradience, Gradualness and Grammaticalization. Amsterdam ; Philadelphia, Pa.: John Benjamins Pub. Company, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Gradience, Gradualness and Grammaticalization. John Benjamins Pub. Company, 2010.
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