Cita APA (7th ed.)

Quirk, R. (2010). A Comprehensive grammar of the english language. Pearson.

Cita Chicago (17th ed.)

Quirk, Randolph. A Comprehensive Grammar of the English Language. New Delhi: Pearson, 2010.

Cita MLA (9th ed.)

Quirk, Randolph. A Comprehensive Grammar of the English Language. Pearson, 2010.