Não informado. (1970). Library Information. International Civil Aviation Organization.
Chicagoスタイル(17版)引用形式Não informado. Library Information. Montreal, Canada: International Civil Aviation Organization, 1970.
MLA(8版)引用形式Não informado. Library Information. International Civil Aviation Organization, 1970.
警告: この引用は必ずしも正確ではありません.