Leeds Heraldry Society. Aspects of heraldry. Leeds Heraldry Society.
Citazione stile Chigago Style (17a edizione)Leeds Heraldry Society. Aspects of Heraldry. Leeds: Leeds Heraldry Society.
Citatione MLA (8a ed.)Leeds Heraldry Society. Aspects of Heraldry. Leeds Heraldry Society.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.