World Health Organization. 2003. Sun protection and schools: How to make a difference. Geneva: World Health Organization.
Citace podle APA (7th ed.)World Health Organization. (2003). Sun protection and schools: How to make a difference. World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization. Sun Protection and Schools: How to Make a Difference. Geneva: World Health Organization, 2003.
Citace podle MLA (9th ed.)World Health Organization. Sun Protection and Schools: How to Make a Difference. World Health Organization, 2003.
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