(1991). Biological Substances: International Standards and Reference Reagents. World Health Organization.
Chicago-čujuhus (17. p.)Biological Substances: International Standards and Reference Reagents. Geneva: World Health Organization, 1991.
MLA-čujuhus (9. p.)Biological Substances: International Standards and Reference Reagents. World Health Organization, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.