Organisation for Economic Co-operation and Development. (1970). Comparisons between member countries in education, research & development, technological innovation, international economic exchanges.
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development. Comparisons Between Member Countries in Education, Research & Development, Technological Innovation, International Economic Exchanges. Paris, 1970.
MLA-referens (9:e uppl.)Organisation for Economic Co-operation and Development. Comparisons Between Member Countries in Education, Research & Development, Technological Innovation, International Economic Exchanges. 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.