Ries, A. (1992). Horse sense. Penguin Books.
Chicago-čujuhus (17. p.)Ries, Al. Horse Sense. New York: Penguin Books, 1992.
MLA-čujuhus (9. p.)Ries, Al. Horse Sense. Penguin Books, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.