Cita APA (7a ed.)

Hornby, A. S. (1962). Oxford progressive english for adult learners: Book one. Oxford University Press.

Cita Chicago Style (17a ed.)

Hornby, Albert Sydney. Oxford Progressive English for Adult Learners: Book One. Oxford: Oxford University Press, 1962.

Cita MLA (9a ed.)

Hornby, Albert Sydney. Oxford Progressive English for Adult Learners: Book One. Oxford University Press, 1962.