Sewage and Industrial Wastes. Wiley.
Chicago-čujuhus (17. p.)Sewage and Industrial Wastes. Wiley.
MLA-čujuhus (9. p.)Sewage and Industrial Wastes. Wiley.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
Sewage and Industrial Wastes. Wiley.
Chicago-čujuhus (17. p.)Sewage and Industrial Wastes. Wiley.
MLA-čujuhus (9. p.)Sewage and Industrial Wastes. Wiley.