อ้างอิง ของ ไบอัส

  1. ↑ This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C" (in support of MIL-STD-188).
  2. ↑ http://www.shure.com/ProAudio/Products/us_pro_ea_phantom
  3. ↑ IEC Standard 61938