Oliver, S. (1987). An introduction to heraldry: Stefan Oliver. The Apple Press.
Chicagoスタイル(17版)引用形式Oliver, Stefan. An Introduction to Heraldry: Stefan Oliver. Baldock: The Apple Press, 1987.
MLA(8版)引用形式Oliver, Stefan. An Introduction to Heraldry: Stefan Oliver. The Apple Press, 1987.
警告: この引用は必ずしも正確ではありません.