Borwick, J. (2001). Loud speaker and headphone handbook (3rd ed.). Focal Press.
Cita Chicago Style (17a ed.)Borwick, John. Loud Speaker and Headphone Handbook. 3rd ed. Oxford ; Boston: Focal Press, 2001.
Cita MLA (9a ed.)Borwick, John. Loud Speaker and Headphone Handbook. 3rd ed. Focal Press, 2001.
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