APA-viite (7. p.)
Harm Reduction International. (2020). The Global State of Harm Reduction 2020, 7th ed. Harm Reduction International.
Chicago-viite (17. p.)
Harm Reduction International. The Global State of Harm Reduction 2020, 7th Ed. Londres: Harm Reduction International, 2020.
MLA-viite (9. p.)
Harm Reduction International. The Global State of Harm Reduction 2020, 7th Ed. Harm Reduction International, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.