APA-čujuhus (7. p.)

B2: Water Quality Sensors (TDS Conductivity sensors).

Chicago-čujuhus (17. p.)

B2: Water Quality Sensors (TDS Conductivity Sensors).

MLA-čujuhus (9. p.)

B2: Water Quality Sensors (TDS Conductivity Sensors).

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