Central Office of Information. (1974). Britain 1974: An official handbook. COI.
Chicago-čujuhus (17. p.)Central Office of Information. Britain 1974: An Official Handbook. Londres: COI, 1974.
MLA-čujuhus (9. p.)Central Office of Information. Britain 1974: An Official Handbook. COI, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.