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