Berelson, B. R. (1969). Population: Challenging world crisis. Voice of America.
Chicagoスタイル(17版)引用形式Berelson, Bernard R. Population: Challenging World Crisis. Washington: Voice of America, 1969.
MLA(8版)引用形式Berelson, Bernard R. Population: Challenging World Crisis. Voice of America, 1969.
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