Tohutoro APA (7th ed.)

Hornby, A. S. (1967). Oxford progressive english alternative course: Book d. U. pr..

Tohutoru Kātū Chicago (17th ed.)

Hornby, A. S. Oxford Progressive English Alternative Course: Book D. London: U. pr., 1967.

Tohutoro MLA (9th ed.)

Hornby, A. S. Oxford Progressive English Alternative Course: Book D. U. pr., 1967.