American Quarter Horse Association. (1941). Official stud book and registry of the American Quarter Horse Association. AQHA.
Chicagoスタイル(17版)引用形式American Quarter Horse Association. Official Stud Book and Registry of the American Quarter Horse Association. Fort Worth, Tex.: AQHA, 1941.
MLA(8版)引用形式American Quarter Horse Association. Official Stud Book and Registry of the American Quarter Horse Association. AQHA, 1941.
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