APA (7th ed.) Zitazioa
Fitzpatrick, M., & Bonnefoy, X. (1999). Environmental health services in Europe 4: Guidance on the development of educational and training curricula. World Health Organization, Regional Office for Europe.
Chicago Style (17th ed.) Zitazioa
Fitzpatrick, Martin, eta Xavier Bonnefoy. Environmental Health Services in Europe 4: Guidance on the Development of Educational and Training Curricula. Copenhagen: World Health Organization, Regional Office for Europe, 1999.
MLA (9th ed.) Zitazioa
Fitzpatrick, Martin, eta Xavier Bonnefoy. Environmental Health Services in Europe 4: Guidance on the Development of Educational and Training Curricula. World Health Organization, Regional Office for Europe, 1999.
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