RICHARDSON J F. (2006). COULSON AND RICHARDSON CHEMICALS (5TH.). BUTTERWORTH-HEINEMANN.
Chicago-čujuhus (17. p.)RICHARDSON J F. COULSON AND RICHARDSON CHEMICALS. 5TH. NEW DELHI: BUTTERWORTH-HEINEMANN, 2006.
MLA-čujuhus (9. p.)RICHARDSON J F. COULSON AND RICHARDSON CHEMICALS. 5TH. BUTTERWORTH-HEINEMANN, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.