Cita APA (7a ed.)

Ballou, G. (2009). Electroacoustic devices: Microphones and loudspeakers (1st edition.). Focal.

Cita Chicago Style (17a ed.)

Ballou, Glen. Electroacoustic Devices: Microphones and Loudspeakers. 1st edition. Amsterdam ; Boston: Focal, 2009.

Cita MLA (9a ed.)

Ballou, Glen. Electroacoustic Devices: Microphones and Loudspeakers. 1st edition. Focal, 2009.