Wittrup, R. J. (1997). Interviewing practices. Brown and Benchmark Publishers.
Citación estilo ChicagoWittrup, Russell J. Interviewing Practices. USA: Brown and Benchmark Publishers, 1997.
Cita MLAWittrup, Russell J. Interviewing Practices. Brown and Benchmark Publishers, 1997.
Warning: These citations may not always be 100% accurate.