Ayer, A. J. (2000). Hume: Very short introduction. AUWSF.
Chicago-čujuhus (17. p.)Ayer, A. J. Hume: Very Short Introduction. Oxford: AUWSF, 2000.
MLA-čujuhus (9. p.)Ayer, A. J. Hume: Very Short Introduction. AUWSF, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.