Cita APA (7a ed.)

Hornby, A. S. (1964). Oxford progressive English course: Book three (1st published., 7th imp.). Oxford University Press.

Cita Chicago Style (17a ed.)

Hornby, Albert Sydney. Oxford Progressive English Course: Book Three. 1st published., 7th imp. London: Oxford University Press, 1964.

Cita MLA (9a ed.)

Hornby, Albert Sydney. Oxford Progressive English Course: Book Three. 1st published., 7th imp. Oxford University Press, 1964.