APA
(1996). 1996 Population Issues. new york, U.S.A: United Nations Population Fund.
Chicago
1996. 1996 Population Issues. new york, U.S.A: United Nations Population Fund.
Harvard
(1996). 1996 Population Issues. new york, U.S.A: United Nations Population Fund.
MLA
1996 Population Issues. new york, U.S.A: United Nations Population Fund. 1996.
