Lua APA (7ú heag.)
(2012). OECD statistics on international trade in services: Detailed tables by service category, 2005-2009. OECD.
Lua i Stíl Chicago (17ú heag.)
OECD Statistics on International Trade in Services: Detailed Tables by Service Category, 2005-2009. [Place of publication not identified]: OECD, 2012.
Lua MLA (9ú heag.)
OECD Statistics on International Trade in Services: Detailed Tables by Service Category, 2005-2009. OECD, 2012.
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