APA (7th ed.) Zitazioa
Hough, G. A. (1971). Structures of modification in contemporary American English. Mouton.
Chicago Style (17th ed.) Zitazioa
Hough, George A. Structures of Modification in Contemporary American English. The Hague, Paris: Mouton, 1971.
MLA (9th ed.) Zitazioa
Hough, George A. Structures of Modification in Contemporary American English. Mouton, 1971.
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