Não informado. (1980). Applied Geography and Development. Institute for Scientific Co-operation.
Chicagoスタイル(17版)引用形式Não informado. Applied Geography and Development. Tubingen, Alemanha: Institute for Scientific Co-operation, 1980.
MLA(8版)引用形式Não informado. Applied Geography and Development. Institute for Scientific Co-operation, 1980.
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