American Quarter Horse Association. (1941). Official stud book and registry of the American Quarter Horse Association. AQHA.
Style de citation Chicago (17e éd.)American Quarter Horse Association. Official Stud Book and Registry of the American Quarter Horse Association. Fort Worth, Tex.: AQHA, 1941.
Style de citation MLA (8e éd.)American Quarter Horse Association. Official Stud Book and Registry of the American Quarter Horse Association. AQHA, 1941.
Attention : ces citations peuvent ne pas être correctes à 100%.