Chaffee, J. (2017). Thinking critically (12th edition.). Cengage Learning.
Chicago-čujuhus (17. p.)Chaffee, John. Thinking Critically. 12th edition. Boston, MA: Cengage Learning, 2017.
MLA-čujuhus (9. p.)Chaffee, John. Thinking Critically. 12th edition. Cengage Learning, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.