(1987). Demographic yearbook: Thirty- ninth issue (ed.). United nations publication.
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Chicago-čujuhus (17. p.)
Demographic Yearbook: Thirty- Ninth Issue. ed. New york: United nations publication, 1987.
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MLA-čujuhus (9. p.)
Demographic Yearbook: Thirty- Ninth Issue. ed. United nations publication, 1987.
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Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.