Williams, M. 1. J. 6. (2001). Problems of knowledge: A critical introduction to epistemology. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Williams, Michael 1947 July 6-. Problems of Knowledge: A Critical Introduction to Epistemology. Oxford: Oxford University Press, 2001.
Citatione MLA (9a ed.)Williams, Michael 1947 July 6-. Problems of Knowledge: A Critical Introduction to Epistemology. Oxford University Press, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.