World Health Organization. (2000). Evaluation of certain veterinary drug residues in food. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Evaluation of Certain Veterinary Drug Residues in Food. Geneva: World Health Organization, 2000.
MLA-referens (8:e uppl.)World Health Organization. Evaluation of Certain Veterinary Drug Residues in Food. World Health Organization, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.