Central Office of Information. (1974). Britain 1974: An official handbook. COI.
Chicagoスタイル(17版)引用形式Central Office of Information. Britain 1974: An Official Handbook. Londres: COI, 1974.
MLA(9版)引用形式Central Office of Information. Britain 1974: An Official Handbook. COI, 1974.
警告: この引用は必ずしも正確ではありません.