APA (7th ed.) Zitazioa
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.
Chicago Style (17th ed.) Zitazioa
Drew, Christina H., Jaco van Duivenboden, eta 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.
MLA (9th ed.) Zitazioa
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.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.