Cita APA

Hornby, A. S. 1. (1975). Oxford progressive English course: Book three (2nd ed., 3rd impression.). London: Oxford University Press.

Citación estilo Chicago

Hornby, Albert Sydney 1898-1978. Oxford Progressive English Course: Book Three. 2nd ed., 3rd impression. London: Oxford University Press, 1975.

Cita MLA

Hornby, Albert Sydney 1898-1978. Oxford Progressive English Course: Book Three. 2nd ed., 3rd impression. London: Oxford University Press, 1975.