Yorkshire Heraldry Society. Aspects of heraldry. Yorkshire Heraldry Society.
Chicagoスタイル(17版)引用形式Yorkshire Heraldry Society. Aspects of Heraldry. Leeds: Yorkshire Heraldry Society.
MLA(8版)引用形式Yorkshire Heraldry Society. Aspects of Heraldry. Yorkshire Heraldry Society.
警告: この引用は必ずしも正確ではありません.