APA-viite (7. p.)
(2003). OECD statistics on international trade in services: Detailed tables by partner country, 1999-2001. OECD.
Chicago-viite (17. p.)
OECD Statistics on International Trade in Services: Detailed Tables by Partner Country, 1999-2001. Paris Cedex, France: OECD, 2003.
MLA-viite (9. p.)
OECD Statistics on International Trade in Services: Detailed Tables by Partner Country, 1999-2001. OECD, 2003.
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