Bretz, E. Test and measurement [Technology 2000 analysis and forecast]. IEEE spectrum.
Lua i Stíl Chicago (17ú heag.)Bretz, E.A. "Test and Measurement [Technology 2000 Analysis and Forecast]." IEEE Spectrum .
Lua MLA (9ú heag.)Bretz, E.A. "Test and Measurement [Technology 2000 Analysis and Forecast]." IEEE Spectrum, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.