Não informado. (1957). Higher education and research in the Netherlands. Netherlands Universities Foundation for International Cooperation.
Chicago-Zitierstil (17. Ausg.)Não informado. Higher Education and Research in the Netherlands. The Hague, Holanda: Netherlands Universities Foundation for International Cooperation, 1957.
MLA-Zitierstil (8. Ausg.)Não informado. Higher Education and Research in the Netherlands. Netherlands Universities Foundation for International Cooperation, 1957.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.