Unknown. (2023). Progress Report of the Forest Research Institute for 1911-1912. Superintendent Government Printing.
Chicago-čujuhus (17. p.)Unknown. Progress Report of the Forest Research Institute for 1911-1912. Superintendent Government Printing, 2023.
MLA-čujuhus (9. p.)Unknown. Progress Report of the Forest Research Institute for 1911-1912. Superintendent Government Printing, 2023.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.