organization for economic cooperation. (1972). oecd at work for science and education.
Chicago (17e ed.) Bronvermeldingorganization for economic cooperation. Oecd at Work for Science and Education. 1st.ed. | Paris, 1972.
MLA (9e ed.) Bronvermeldingorganization for economic cooperation. Oecd at Work for Science and Education. 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.