Não informado. (1975). Dutch theses. Netherlands Universities Foundation for International Cooperation.
Style de citation Chicago (17e éd.)Não informado. Dutch Theses. The Hague, Holanda: Netherlands Universities Foundation for International Cooperation, 1975.
Style de citation MLA (8e éd.)Não informado. Dutch Theses. Netherlands Universities Foundation for International Cooperation, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.