World Health Organization. (2011). Bugs, drugs & smoke: Stories from public health. World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization. Bugs, Drugs & Smoke: Stories from Public Health. Geneva, Switzerland: World Health Organization, 2011.
Citace podle MLA (8th ed.)World Health Organization. Bugs, Drugs & Smoke: Stories from Public Health. World Health Organization, 2011.
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