Lua APA (7ú heag.)
Wickens, M. A. (1992). Grammatical number in English nouns: An empirical and theoretical account. J. Benjamins Pub. Co..
Lua i Stíl Chicago (17ú heag.)
Wickens, Mark A. Grammatical Number in English Nouns: An Empirical and Theoretical Account. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 1992.
Lua MLA (9ú heag.)
Wickens, Mark A. Grammatical Number in English Nouns: An Empirical and Theoretical Account. J. Benjamins Pub. Co., 1992.
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