Organisation for Economic Co-operation and Development. (2020). OECD economic surveys: United States. Organisation for Economic Co-operation and Development.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development. OECD Economic Surveys: United States. Paris, France: Organisation for Economic Co-operation and Development, 2020.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development. OECD Economic Surveys: United States. Organisation for Economic Co-operation and Development, 2020.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.