Cita APA

Eastwood, J., & Mackin, R. (1991). A basic english grammar (Spanish edition, [7th. imp.].). Oxford: Oxford University Press.

Citación estilo Chicago

Eastwood, John, and Ronald Mackin. A Basic English Grammar. Spanish edition, [7th. imp.]. Oxford: Oxford University Press, 1991.

Cita MLA

Eastwood, John, and Ronald Mackin. A Basic English Grammar. Spanish edition, [7th. imp.]. Oxford: Oxford University Press, 1991.