Williamson, T. (1996). Knowing and asserting. Duke University Press.
Chicago-čujuhus (17. p.)Williamson, T. Knowing and Asserting. Duke University Press, 1996.
MLA-čujuhus (9. p.)Williamson, T. Knowing and Asserting. Duke University Press, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.