Hornby, A. S. (1964). Oxford progressive english alterntive course: Book a teacher's handbook. U.pr..
Chicago-čujuhus (17. p.)Hornby, A. S. Oxford Progressive English Alterntive Course: Book a Teacher's Handbook. London: U.pr., 1964.
MLA-čujuhus (9. p.)Hornby, A. S. Oxford Progressive English Alterntive Course: Book a Teacher's Handbook. U.pr., 1964.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.