APA (7th ed.) Zitazioa
Roby, D. B. (2009). Aspect and the categorization of states: The case of ser and estar in Spanish. John Benjamins Pub. Co..
Chicago Style (17th ed.) Zitazioa
Roby, David Brian. Aspect and the Categorization of States: The Case of Ser and Estar in Spanish. Philadelphia: John Benjamins Pub. Co., 2009.
MLA (9th ed.) Zitazioa
Roby, David Brian. Aspect and the Categorization of States: The Case of Ser and Estar in Spanish. John Benjamins Pub. Co., 2009.
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