APA-ийн эшлэл(7 дахь хэвлэлт)
Organisation for Economic Co-operation and Development. (2018). OECD statistics on international trade in services. OECD Publishing.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Organisation for Economic Co-operation and Development. OECD Statistics on International Trade in Services. Paris: OECD Publishing, 2018.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Organisation for Economic Co-operation and Development. OECD Statistics on International Trade in Services. OECD Publishing, 2018.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.