ebrary, Inc, & Cooper, C. (2006). Physics. Helicon.
Chicago-čujuhus (17. p.)ebrary, Inc, juo Christopher Cooper. Physics. Abingdon, Oxon: Helicon, 2006.
MLA-čujuhus (9. p.)ebrary, Inc, juo Christopher Cooper. Physics. Helicon, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.