Brooke-Little, J. P. (1981). Royal heraldry: Beasts and badges of Britain / by John P. Brooke-Little. Pilgrim Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrooke-Little, John Philip. Royal Heraldry: Beasts and Badges of Britain / by John P. Brooke-Little. Lodge Lane, Derby: Pilgrim Press, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrooke-Little, John Philip. Royal Heraldry: Beasts and Badges of Britain / by John P. Brooke-Little. Pilgrim Press, 1981.
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