Llyod, J. &. o. (2012). 1227, QI Facts - To below your Socks off. Faber and faber.
Chicago-čujuhus (17. p.)Llyod, John & others. 1227, QI Facts - To Below Your Socks off. London: Faber and faber, 2012.
MLA-čujuhus (9. p.)Llyod, John & others. 1227, QI Facts - To Below Your Socks off. Faber and faber, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.