Angela Royston. (2002). Color (My World of Science). Heinemann/Raintree.
Chicago-čujuhus (17. p.)Angela Royston. Color (My World of Science). Heinemann/Raintree, 2002.
MLA-čujuhus (9. p.)Angela Royston. Color (My World of Science). Heinemann/Raintree, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.