Valev, Ė. B. (1973). Economic geography of Cuba. Joint Publications Research Service.
Chicagoスタイル(17版)引用形式Valev, Ė. B. Economic Geography of Cuba. [Arlington, Va.: Joint Publications Research Service, 1973.
MLA(8版)引用形式Valev, Ė. B. Economic Geography of Cuba. Joint Publications Research Service, 1973.
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