.Skrentner, R. G. (1988). Instrumentation handbook for water & wastewater treatment plants. Lewis Publishers.
Chicago-čujuhus (17. p.).Skrentner, Robert G. Instrumentation Handbook for Water & Wastewater Treatment Plants. Chelsea, Mich.: Lewis Publishers, 1988.
MLA-čujuhus (9. p.).Skrentner, Robert G. Instrumentation Handbook for Water & Wastewater Treatment Plants. Lewis Publishers, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.