Dyfyniad APA

Concha- Barrientos, M. C. L. (2004). Occupational noise: Assessing the burden of disease from work- related hearing impairment at national and local levels. World Health Organization.

Dyfyniad Arddull Chicago

Concha- Barrientos, Marisol Campbell- Lendrum. Occupational Noise: Assessing the Burden of Disease from Work- Related Hearing Impairment at National and Local Levels. Geneva: World Health Organization, 2004.

Dyfyniad MLA

Concha- Barrientos, Marisol Campbell- Lendrum. Occupational Noise: Assessing the Burden of Disease from Work- Related Hearing Impairment at National and Local Levels. World Health Organization, 2004.

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