Nickell, S. (1985). Benefits and Limitations of Panel Data: Comment.
Chicago-čujuhus (17. p.)Nickell, S. Benefits and Limitations of Panel Data: Comment. 1985.
MLA-čujuhus (9. p.)Nickell, S. Benefits and Limitations of Panel Data: Comment. 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.