Institution, 8. B. S. (1986). Integrating-averaging sound level meters. London : BSI.
Cita Chicago (17th ed.)Institution, 8096 British Standards. Integrating-averaging Sound Level Meters. London : BSI, 1986.
Cita MLA (9th ed.)Institution, 8096 British Standards. Integrating-averaging Sound Level Meters. London : BSI, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.