Williamson, T., & O'Hear, A. (2009). Knowledge of counterfactuals. Cambridge University Press.
Chicago-čujuhus (17. p.)Williamson, T., juo A. O'Hear. Knowledge of Counterfactuals. Cambridge University Press, 2009.
MLA-čujuhus (9. p.)Williamson, T., juo A. O'Hear. Knowledge of Counterfactuals. Cambridge University Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.