De Bono, E. W. (1999). Six Thinking Hats. Tata McGraw - Hill.
Chicago-čujuhus (17. p.)De Bono, Ed Ward. Six Thinking Hats. New Delhi: Tata McGraw - Hill, 1999.
MLA-čujuhus (9. p.)De Bono, Ed Ward. Six Thinking Hats. Tata McGraw - Hill, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.