(1989). Lebendige Heraldik. Transcommercial Operating and Finance Establishment.
Chicago-Zitierstil (17. Ausg.)Lebendige Heraldik. Vaduz: Transcommercial Operating and Finance Establishment, 1989.
MLA-Zitierstil (8. Ausg.)Lebendige Heraldik. Transcommercial Operating and Finance Establishment, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.