Dyfyniad APA

ustun, A. p. C. (2006). preventing disease through healthy environments: Towards an estimate of the environmental burden of disease. World Health Organization.

Dyfyniad Arddull Chicago

ustun, A. pruss Corvalan,C. Preventing Disease Through Healthy Environments: Towards an Estimate of the Environmental Burden of Disease. Geneva: World Health Organization, 2006.

Dyfyniad MLA

ustun, A. pruss Corvalan,C. Preventing Disease Through Healthy Environments: Towards an Estimate of the Environmental Burden of Disease. World Health Organization, 2006.

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