organization for economic cooperation. (1972). oecd at work for science and education.
Цитирование в стиле Чикаго (17-е изд.)organization for economic cooperation. Oecd at Work for Science and Education. 1st.ed. | Paris, 1972.
Цитирование MLA (9-е изд.)organization for economic cooperation. Oecd at Work for Science and Education. 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.