statistiska centralbyran. (1989). statistical abstract of sweden 1990: Sveriges officiella statistik. statistics of sweden.
Chicago-čujuhus (17. p.)statistiska centralbyran. Statistical Abstract of Sweden 1990: Sveriges Officiella Statistik. sweden: statistics of sweden, 1989.
MLA-čujuhus (9. p.)statistiska centralbyran. Statistical Abstract of Sweden 1990: Sveriges Officiella Statistik. statistics of sweden, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.