Ditchburn, R. (1963). Light. Interscience Publishers.
Chicago-čujuhus (17. p.)Ditchburn, R. Light. New York: Interscience Publishers, 1963.
MLA-čujuhus (9. p.)Ditchburn, R. Light. Interscience Publishers, 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.