(1955). Flags of all nations. Her Majesty's stationery office.
Cita Chicago (17th ed.)Flags of All Nations. London: Her Majesty's stationery office, 1955.
Cita MLA (8th ed.)Flags of All Nations. Her Majesty's stationery office, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.