Organisation for Economic Co-operation and Development. (1970). Comparisons between member countries in education, research & development, technological innovation, international economic exchanges.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development. Comparisons Between Member Countries in Education, Research & Development, Technological Innovation, International Economic Exchanges. Paris, 1970.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development. Comparisons Between Member Countries in Education, Research & Development, Technological Innovation, International Economic Exchanges. 1970.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.