Haberler, G. International Trade Economic Development Gottfried Haberler. s.n.
Chicagoスタイル(17版)引用形式Haberler, Gottfried. International Trade Economic Development Gottfried Haberler. s.n.
MLA(8版)引用形式Haberler, Gottfried. International Trade Economic Development Gottfried Haberler. s.n.
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