The Canadian IUFRO World Congress Organizing Committee. (1991). Congress report. IUFRO Organizing Committee.
Chicago-čujuhus (17. p.)The Canadian IUFRO World Congress Organizing Committee. Congress Report. Canada: IUFRO Organizing Committee, 1991.
MLA-čujuhus (9. p.)The Canadian IUFRO World Congress Organizing Committee. Congress Report. IUFRO Organizing Committee, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.