(2000). Perspectives in Critical Thinking. Peter Lang Publishing Group.
Chicago-čujuhus (17. p.)Perspectives in Critical Thinking. Peter Lang Publishing Group, 2000.
MLA-čujuhus (9. p.)Perspectives in Critical Thinking. Peter Lang Publishing Group, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.