APA
United Nations Fund for Population Activities, . (1979). Report of mission on needs assessment for population assistance : Sudan. New York: United Nations Fund for Population Activities.
Chicago
United Nations Fund for Population Activities, . 1979. Report of mission on needs assessment for population assistance : Sudan. New York: United Nations Fund for Population Activities.
Harvard
United Nations Fund for Population Activities, . (1979). Report of mission on needs assessment for population assistance : Sudan. New York: United Nations Fund for Population Activities.
MLA
United Nations Fund for Population Activities, . Report of mission on needs assessment for population assistance : Sudan. New York: United Nations Fund for Population Activities. 1979.