Wittrup, R. J. (1997). Interviewing practices. Brown and Benchmark Publishers.
Chicago-čujuhus (17. p.)Wittrup, Russell J. Interviewing Practices. USA: Brown and Benchmark Publishers, 1997.
MLA-čujuhus (9. p.)Wittrup, Russell J. Interviewing Practices. Brown and Benchmark Publishers, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.