Richards, J. A. (1963). Modern university physics. Wiley.
Chicago-čujuhus (17. p.)Richards, James A. Modern University Physics. London: Wiley, 1963.
MLA-čujuhus (9. p.)Richards, James A. Modern University Physics. Wiley, 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.