united nations development program. (1998). Human Development Report 1998. unites nations development programme.
Chicagoスタイル(17版)引用形式united nations development program. Human Development Report 1998. new york: unites nations development programme, 1998.
MLA(9版)引用形式united nations development program. Human Development Report 1998. unites nations development programme, 1998.
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