1993. Guidelines for drinking-water quality. Vol. 1. Recommendations. 2nd. Geneva: WHO.
Citace podle APA (7th ed.)(1993). Guidelines for drinking-water quality. Vol. 1. Recommendations (2nd.). WHO.
Citace podle Chicago (17th ed.)Guidelines for Drinking-water Quality. Vol. 1. Recommendations. 2nd. Geneva: WHO, 1993.
Citace podle MLA (9th ed.)Guidelines for Drinking-water Quality. Vol. 1. Recommendations. 2nd. WHO, 1993.
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