(2000). OECD statistics on international trade in services: 1989-1998. OECD.
Chicago-čujuhus (17. p.)OECD Statistics on International Trade in Services: 1989-1998. Paris, France: OECD, 2000.
MLA-čujuhus (9. p.)OECD Statistics on International Trade in Services: 1989-1998. OECD, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.