APA Zitierstil

World Health Organization. (1984). Guide Lines for Dringking - Water Quality. World Health Organisation.

Chicago Zitierstil

World Health Organization. Guide Lines for Dringking - Water Quality. Geneva: World Health Organisation, 1984.

MLA Zitierstil

World Health Organization. Guide Lines for Dringking - Water Quality. World Health Organisation, 1984.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.