World Health Organization. (2011). Evaluation of certain food additives and contaminants. World Health Organization.
Chicago-viite (17. p.)World Health Organization. Evaluation of Certain Food Additives and Contaminants. Geneva, Switzerland: World Health Organization, 2011.
MLA-viite (8. p.)World Health Organization. Evaluation of Certain Food Additives and Contaminants. World Health Organization, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.