APA-čujuhus (7. p.)

Lindsay Lorene & National Environmental Services Center. Chlorination.

Chicago-čujuhus (17. p.)

Lindsay Lorene juo National Environmental Services Center. Chlorination.

MLA-čujuhus (9. p.)

Lindsay Lorene juo National Environmental Services Center. Chlorination.

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