Clark, R. c. (2008). Building Expertise. Jossey-Bass.
Chicago-čujuhus (17. p.)Clark, Ruth colvin. Building Expertise. Ontario: Jossey-Bass, 2008.
MLA-čujuhus (9. p.)Clark, Ruth colvin. Building Expertise. Jossey-Bass, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.