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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development. OECD Economic Surveys. Paris, France: Organisation for Economic Co-Operation and Development, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development. OECD Economic Surveys. Organisation for Economic Co-Operation and Development, 1990.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.