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