Não informado. Year book of world affairs. London Institute of World Affairs.
Chicagoスタイル(17版)引用形式Não informado. Year Book of World Affairs. London: London Institute of World Affairs.
MLA(8版)引用形式Não informado. Year Book of World Affairs. London Institute of World Affairs.
警告: この引用は必ずしも正確ではありません.