Paul, R., & Elder, L. (2006). Critical Thinking: Learn the tools the best thinkers use. Pearson International.
Chicago-čujuhus (17. p.)Paul, Richard, juo Linda Elder. Critical Thinking: Learn the Tools the Best Thinkers Use. New Jersey: Pearson International, 2006.
MLA-čujuhus (9. p.)Paul, Richard, juo Linda Elder. Critical Thinking: Learn the Tools the Best Thinkers Use. Pearson International, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.