Dyfyniad APA

World Health Organization. (2006). Principles for evaluating health risks in children associated with exposure to chemicals. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals. Geneva: World Health Organization, 2006.

Dyfyniad MLA

World Health Organization. Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals. World Health Organization, 2006.

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