Snell, J. L. (1966). A handbook in history and philosophy. D C Heath and company.
Chicago-čujuhus (17. p.)Snell, John L. A Handbook in History and Philosophy. Boston: D C Heath and company, 1966.
MLA-čujuhus (9. p.)Snell, John L. A Handbook in History and Philosophy. D C Heath and company, 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.