Cita APA (7th ed.)

Radford. Andrew. (1999). Linguistics: An instroduction. University pr..

Cita Chicago (17th ed.)

Radford. Andrew. Linguistics: An Instroduction. Cambridge: University pr., 1999.

Cita MLA (9th ed.)

Radford. Andrew. Linguistics: An Instroduction. University pr., 1999.