APA
World Health Organization, . (1989). 2.4-dichlorophenoxyacetic acid (2,4-D) - environmental aspects. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1989. 2.4-dichlorophenoxyacetic acid (2,4-D) - environmental aspects. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1989). 2.4-dichlorophenoxyacetic acid (2,4-D) - environmental aspects. World Health Organization, Geneva: .
MLA
World Health Organization, . 2.4-dichlorophenoxyacetic acid (2,4-D) - environmental aspects. World Health Organization, Geneva: . 1989.