Cita APA (7th ed.)

Hornby, A. S. (1969). Oxford progressive english alternative course: Book b: teacher's handbook. U. pr..

Cita Chicago (17th ed.)

Hornby, A. S. Oxford Progressive English Alternative Course: Book B: Teacher's Handbook. London: U. pr., 1969.

Cita MLA (9th ed.)

Hornby, A. S. Oxford Progressive English Alternative Course: Book B: Teacher's Handbook. U. pr., 1969.