D E James & M A Jansen. (1978). Ecnomic Approaches to Environmental Problems. Elsevier scientific publishing company.
シカゴスタイル引用形D E James , M A Jansen. Ecnomic Approaches to Environmental Problems. Elsevier scientific publishing company, 1978.
MLA引用形式D E James , M A Jansen. Ecnomic Approaches to Environmental Problems. Elsevier scientific publishing company, 1978.
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