(1967). The encyclopedia of philosophy. Macmillan and Free Press.
Chicago-čujuhus (17. p.)The Encyclopedia of Philosophy. New York: Macmillan and Free Press, 1967.
MLA-čujuhus (9. p.)The Encyclopedia of Philosophy. Macmillan and Free Press, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.