Organization for Economic Cooperation and Development. (1962). Policy conference on economic growth and investment in education, Washington, 16th-20th October, 1961. s.n.
Cita Chicago (17th ed.)Organization for Economic Cooperation and Development. Policy Conference on Economic Growth and Investment in Education, Washington, 16th-20th October, 1961. [Paris: s.n, 1962.
Cita MLA (9th ed.)Organization for Economic Cooperation and Development. Policy Conference on Economic Growth and Investment in Education, Washington, 16th-20th October, 1961. s.n, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.