Dyfyniad APA

Drew,Christina H. Duivenboden, J. V. B. (2000). Guidelines for evaluation of environmental health services. World Health Organization.

Dyfyniad Arddull Chicago

Drew,Christina H. Duivenboden, Jaco Van Bonnefoy,Xavier. Guidelines for Evaluation of Environmental Health Services. Denmark: World Health Organization, 2000.

Dyfyniad MLA

Drew,Christina H. Duivenboden, Jaco Van Bonnefoy,Xavier. Guidelines for Evaluation of Environmental Health Services. World Health Organization, 2000.

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