APA
World Health Organization, . (2003). Managing complications in pregnancy and childbirth. World Health Organization, Geneva: .
Chicago
World Health Organization, . 2003. Managing complications in pregnancy and childbirth. World Health Organization, Geneva: .
Harvard
World Health Organization, . (2003). Managing complications in pregnancy and childbirth. World Health Organization, Geneva: .
MLA
World Health Organization, . Managing complications in pregnancy and childbirth. World Health Organization, Geneva: . 2003.