Cita APA (7a ed.)

Vailati Negrão, E., & Kato, M. A. (2000). Brazilian portuguese and the null subject parameter. Vervuert.

Cita Chicago Style (17a ed.)

Vailati Negrão, Esmeralda, y Mary Aizawa Kato. Brazilian Portuguese and the Null Subject Parameter. Frankfurt am Main : Madrid: Vervuert, 2000.

Cita MLA (9a ed.)

Vailati Negrão, Esmeralda, y Mary Aizawa Kato. Brazilian Portuguese and the Null Subject Parameter. Vervuert, 2000.