World Trade Press & ebrary, Inc. (2010). Germany: Communications. World Trade Press.
Chicago-čujuhus (17. p.)World Trade Press juo Inc ebrary. Germany: Communications. Petaluma, Calif.: World Trade Press, 2010.
MLA-čujuhus (9. p.)World Trade Press juo Inc ebrary. Germany: Communications. World Trade Press, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.