APA-čujuhus (7. p.)

(2005). enviromental standards and competitiveness of key economic sectors. united nations.

Chicago-čujuhus (17. p.)

Enviromental Standards and Competitiveness of Key Economic Sectors. new york: united nations, 2005.

MLA-čujuhus (9. p.)

Enviromental Standards and Competitiveness of Key Economic Sectors. united nations, 2005.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.