Dyfyniad APA

Drew, C. H., Duivenboden, J. v., & Bonnefoy, X. (2000). Environmental health services in Europe 5: Guidelines for evaluation of environmental health services. World Health Organization, Regional Office for Europe.

Dyfyniad Arddull Chicago

Drew, Christina H., Jaco van Duivenboden, and Xavier Bonnefoy. Environmental Health Services in Europe 5: Guidelines for Evaluation of Environmental Health Services. Copenhagen, [Denmark]: World Health Organization, Regional Office for Europe, 2000.

Dyfyniad MLA

Drew, Christina H., et al. Environmental Health Services in Europe 5: Guidelines for Evaluation of Environmental Health Services. World Health Organization, Regional Office for Europe, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.