Haskin. Sir Barton and the Making of the Triple Crown. The University Press of Kentucky.
Citazione stile Chigago Style (17a edizione)Haskin. Sir Barton and the Making of the Triple Crown. The University Press of Kentucky.
Citatione MLA (9a ed.)Haskin. Sir Barton and the Making of the Triple Crown. The University Press of Kentucky.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.