Thorpe, E. (2010). Pearson general knowledge manual 2010. Pearson Education.
Chicago-čujuhus (17. p.)Thorpe, Edgar. Pearson General Knowledge Manual 2010. New delhi: Pearson Education, 2010.
MLA-čujuhus (9. p.)Thorpe, Edgar. Pearson General Knowledge Manual 2010. Pearson Education, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.