Ries Al. (1999). Horse Sense: Key to Success Is Finding a Horse to Ride. McGraw Hill.
Chicago-referens (17:e uppl.)Ries Al. Horse Sense: Key to Success Is Finding a Horse to Ride. New York: McGraw Hill, 1999.
MLA-referens (9:e uppl.)Ries Al. Horse Sense: Key to Success Is Finding a Horse to Ride. McGraw Hill, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.