El siguiente crédito, por obligación, se requiere para su uso por otras fuentes: Artículo producido para radio cristiana CVCLAVOZ.
–Dobrucki, A., Kin, M., & Kruk, B. (2013). Preliminary Study on the Influence of Headphones for Listening Music on Hearing Loss of Young People. Archives Of Acoustics, 38(3), 383-387. doi: 10.2478/aoa-2013-0045 –Gordon, W. (2018). It's surprisingly easy for your headphones to damage your hearing. Recuperado el 11 de marzo de 2019, de https://www.popsci.com/headphones-hearing-loss –Savov, V. (2016). Headphones are growing more expensive because we demand more of them. Recuperado el 11 de marzo de 2019, de https://www.theverge.com/circuitbreaker/2016/5/13/11669906/headphones-market-price-worldwide-statistics –Statista. Global unit sales of headphones and headsets from 2013 to 2017 (in millions). Recuperado el 11 de marzo de 2019, de https://www.statista.com/statistics/327000/worldwide-sales-headphones-headsets/