APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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