Dyfyniad APA

(2012). OECD statistics on international trade in services: Detailed tables by service category, 2005-2009. OECD.

Dyfyniad Arddull Chicago

OECD Statistics on International Trade in Services: Detailed Tables by Service Category, 2005-2009. [Place of publication not identified]: OECD, 2012.

Dyfyniad MLA

OECD Statistics on International Trade in Services: Detailed Tables by Service Category, 2005-2009. OECD, 2012.

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