Seward, D. (1986). Italy's Knights of St. George: The Constantinian Order. Van Duren Publishers.
Chicago Style (17. basım) AtıfSeward, Desmond. Italy's Knights of St. George: The Constantinian Order. Gerrards Cross [Buckinghamshire]: Van Duren Publishers, 1986.
MLA (8th ed.) AtıfSeward, Desmond. Italy's Knights of St. George: The Constantinian Order. Van Duren Publishers, 1986.
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