WHO. (2002). Evaluation of certain food additives and contaminants. Geneva.
Chicago Style aipamenaWHO. Evaluation of Certain Food Additives and Contaminants. Geneva, 2002.
MLA aipamenaWHO. Evaluation of Certain Food Additives and Contaminants. Geneva, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.