Asimov, I. (1966). Understanding physics. Allen and Unwin.
Chicago-čujuhus (17. p.)Asimov, Isac. Understanding Physics. London: Allen and Unwin, 1966.
MLA-čujuhus (9. p.)Asimov, Isac. Understanding Physics. Allen and Unwin, 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.