Cita APA (7th ed.)

Paterson, K. (2009). Oxford living grammar elementary: Learn and practise grammar in context (1a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Paterson, Ken. Oxford Living Grammar Elementary: Learn and Practise Grammar in Context. 1a. ed. Oxford: Oxford University Press, 2009.

Cita MLA (9th ed.)

Paterson, Ken. Oxford Living Grammar Elementary: Learn and Practise Grammar in Context. 1a. ed. Oxford University Press, 2009.