(1994). Ethics in forestry / edited by Lloyd C. Irland.
Chicago-čujuhus (17. p.)Ethics in Forestry / Edited by Lloyd C. Irland. 1994.
MLA-čujuhus (9. p.)Ethics in Forestry / Edited by Lloyd C. Irland. 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.