Nickell, S. (1999). Product Markets and Labour Markets.
Chicago-čujuhus (17. p.)Nickell, S. Product Markets and Labour Markets. 1999.
MLA-čujuhus (9. p.)Nickell, S. Product Markets and Labour Markets. 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.