Noonan, H. W. (1999). Routledge Philosophy guidebook to Hume on knowledge. Routledge.
Chicago-čujuhus (17. p.)Noonan, Harold W. Routledge Philosophy Guidebook to Hume on Knowledge. New York: Routledge, 1999.
MLA-čujuhus (9. p.)Noonan, Harold W. Routledge Philosophy Guidebook to Hume on Knowledge. Routledge, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.