KATHRYN. (2010). SCIENCE WORLD: EVERYDAY CHEMICALS. S. Chand Publishing.
Chicago-čujuhus (17. p.)KATHRYN. SCIENCE WORLD: EVERYDAY CHEMICALS. S. Chand Publishing, 2010.
MLA-čujuhus (9. p.)KATHRYN. SCIENCE WORLD: EVERYDAY CHEMICALS. S. Chand Publishing, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.