Não informado. (1975). Dutch theses. Netherlands Universities Foundation for International Cooperation.
Chicagoスタイル(17版)引用形式Não informado. Dutch Theses. The Hague, Holanda: Netherlands Universities Foundation for International Cooperation, 1975.
MLA(8版)引用形式Não informado. Dutch Theses. Netherlands Universities Foundation for International Cooperation, 1975.
警告: この引用は必ずしも正確ではありません.