Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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