APA (7th ed.) Zitazioa
(2012). Oecd statistics on international trade in services: Detailed tables by service category. OECD.
Chicago Style (17th ed.) Zitazioa
Oecd Statistics on International Trade in Services: Detailed Tables by Service Category. [Place of publication not identified]: OECD, 2012.
MLA (9th ed.) Zitazioa
Oecd Statistics on International Trade in Services: Detailed Tables by Service Category. OECD, 2012.
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