APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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