APA-čujuhus (7. p.)
(2015). Material resources, productivity and the environment. OECD.
Chicago-čujuhus (17. p.)
Material Resources, Productivity and the Environment. Paris, [France]: OECD, 2015.
MLA-čujuhus (9. p.)
Material Resources, Productivity and the Environment. OECD, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.