APA
World Health Organization, International Programme on Chemical Safety, . (2010). The WHO recommended classification of pesticides by hazard and guidelines to classification 2009. Geneva: WHO.
Chicago
World Health Organization, International Programme on Chemical Safety, . 2010. The WHO recommended classification of pesticides by hazard and guidelines to classification 2009. Geneva: WHO.
Harvard
World Health Organization, International Programme on Chemical Safety, . (2010). The WHO recommended classification of pesticides by hazard and guidelines to classification 2009. Geneva: WHO.
MLA
World Health Organization, International Programme on Chemical Safety, . The WHO recommended classification of pesticides by hazard and guidelines to classification 2009. Geneva: WHO. 2010.