Spevak, O. (2014). Noun valency. John Benjamins Publishing Company.
Lua i Stíl Chicago (17ú heag.)Spevak, Olga. Noun Valency. Amsterdam, Netherlands ; Philadelphia, Pennsylvania: John Benjamins Publishing Company, 2014.
Lua MLA (9ú heag.)Spevak, Olga. Noun Valency. John Benjamins Publishing Company, 2014.
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