Cita APA (7a ed.)
(2001). OECD statistics on international trade in services 1990-1999 (2001 edition.). OECD.
Cita Chicago Style (17a ed.)
OECD Statistics on International Trade in Services 1990-1999. 2001 edition. Paris, Cedex, France: OECD, 2001.
Cita MLA (9a ed.)
OECD Statistics on International Trade in Services 1990-1999. 2001 edition. OECD, 2001.
Precaución: Estas citas no son 100% exactas.