(1958). Flags of all nations. Her Majesty's stationery office.
Cita Chicago Style (17a ed.)Flags of All Nations. London: Her Majesty's stationery office, 1958.
Cita MLA (8a ed.)Flags of All Nations. Her Majesty's stationery office, 1958.
Precaución: Estas citas no son 100% exactas.