Cita APA (7a ed.)

Roby, D. B. (2009). Aspect and the categorization of states: The case of ser and estar in Spanish. John Benjamins Pub. Co..

Cita Chicago Style (17a ed.)

Roby, David Brian. Aspect and the Categorization of States: The Case of Ser and Estar in Spanish. Philadelphia: John Benjamins Pub. Co., 2009.

Cita MLA (8a ed.)

Roby, David Brian. Aspect and the Categorization of States: The Case of Ser and Estar in Spanish. John Benjamins Pub. Co., 2009.