APA
World Health Organization, . (1996). Trace elements in human nutrition and health. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1996. Trace elements in human nutrition and health. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1996). Trace elements in human nutrition and health. World Health Organization, Geneva: .
MLA
World Health Organization, . Trace elements in human nutrition and health. World Health Organization, Geneva: . 1996.