APA-ийн эшлэл(7 дахь хэвлэлт)

Organisation for Economic Co-operation and Development. (2020). OECD statistics on international trade in services: Detailed tables by service category, 2014-2018. OECD.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Organisation for Economic Co-operation and Development. OECD Statistics on International Trade in Services: Detailed Tables by Service Category, 2014-2018. Paris: OECD, 2020.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Organisation for Economic Co-operation and Development. OECD Statistics on International Trade in Services: Detailed Tables by Service Category, 2014-2018. OECD, 2020.

Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.