organization for economic cooperation. (1972). oecd at work for science and education.
Chicago-referens (17:e uppl.)organization for economic cooperation. Oecd at Work for Science and Education. 1st.ed. | Paris, 1972.
MLA-referens (9:e uppl.)organization for economic cooperation. Oecd at Work for Science and Education. 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.