Não informado. (1957). Higher education and research in the Netherlands. Netherlands Universities Foundation for International Cooperation.
Čikaški stil citiranja (17. izdanje)Não informado. Higher Education and Research in the Netherlands. The Hague, Holanda: Netherlands Universities Foundation for International Cooperation, 1957.
MLA način citiranja (8. izdanje)Não informado. Higher Education and Research in the Netherlands. Netherlands Universities Foundation for International Cooperation, 1957.
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