APA (7th ed.) Zitazioa
(2023). Nicotine- and tobacco-free schools. Policy development and implementation toolkit. World Health Organization.
Chicago Style (17th ed.) Zitazioa
Nicotine- and Tobacco-free Schools. Policy Development and Implementation Toolkit. Copenague: World Health Organization, 2023.
MLA (9th ed.) Zitazioa
Nicotine- and Tobacco-free Schools. Policy Development and Implementation Toolkit. World Health Organization, 2023.
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