APA
World Health Organization, . (1990). IPCS (Environmental health criteria no - 109): Summary report on evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). Geneva: UNEP and World Health Organization.
Chicago
World Health Organization, . 1990. IPCS (Environmental health criteria no - 109): Summary report on evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). Geneva: UNEP and World Health Organization.
Harvard
World Health Organization, . (1990). IPCS (Environmental health criteria no - 109): Summary report on evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). Geneva: UNEP and World Health Organization.
MLA
World Health Organization, . IPCS (Environmental health criteria no - 109): Summary report on evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). Geneva: UNEP and World Health Organization. 1990.