APA
World Health Organization, . (2001). IPCS (Environmental health criteria no - 222): Biomakers in risk assessment: validity and validation. Geneva: UNEP and World Health Organization.
Chicago
World Health Organization, . 2001. IPCS (Environmental health criteria no - 222): Biomakers in risk assessment: validity and validation. Geneva: UNEP and World Health Organization.
Harvard
World Health Organization, . (2001). IPCS (Environmental health criteria no - 222): Biomakers in risk assessment: validity and validation. Geneva: UNEP and World Health Organization.
MLA
World Health Organization, . IPCS (Environmental health criteria no - 222): Biomakers in risk assessment: validity and validation. Geneva: UNEP and World Health Organization. 2001.