World Health Organization & ebrary, Inc. (2009). Basic documents ; including amendments adopted up to 31st May 2009 (47th ed.). World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization a Inc ebrary. Basic Documents ; Including Amendments Adopted Up to 31st May 2009. 47th ed. Geneva: World Health Organization, 2009.
Citace podle MLA (9th ed.)World Health Organization a Inc ebrary. Basic Documents ; Including Amendments Adopted Up to 31st May 2009. 47th ed. World Health Organization, 2009.
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