World Health Organization. 2003. Evaluating school programmes: To promote sun protection. Geneva: World Health Organization.
Citace podle APA (7th ed.)World Health Organization. (2003). Evaluating school programmes: To promote sun protection. World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization. Evaluating School Programmes: To Promote Sun Protection. Geneva: World Health Organization, 2003.
Citace podle MLA (9th ed.)World Health Organization. Evaluating School Programmes: To Promote Sun Protection. World Health Organization, 2003.
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