APA (7th ed.) Zitazioa
St Claire, S. (2023). Nicotine- and tobacco-free school guide 2023. World Health Organization.
Chicago Style (17th ed.) Zitazioa
St Claire, S. Nicotine- and Tobacco-free School Guide 2023. Ginebra: World Health Organization, 2023.
MLA (9th ed.) Zitazioa
St Claire, S. Nicotine- and Tobacco-free School Guide 2023. World Health Organization, 2023.
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