World Health Organization. (2000). Evaluation of certain veterinary drug residues in food. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Evaluation of Certain Veterinary Drug Residues in Food. Geneva: World Health Organization, 2000.
Cita MLA (8a ed.)World Health Organization. Evaluation of Certain Veterinary Drug Residues in Food. World Health Organization, 2000.
Precaución: Estas citas no son 100% exactas.