.Skrentner, R. G. (1988). Instrumentation handbook for water & wastewater treatment plants. Lewis Publishers.
Čikaški stil citiranja (17. izdanje).Skrentner, Robert G. Instrumentation Handbook for Water & Wastewater Treatment Plants. Chelsea, Mich.: Lewis Publishers, 1988.
MLA način citiranja (9. izdanje).Skrentner, Robert G. Instrumentation Handbook for Water & Wastewater Treatment Plants. Lewis Publishers, 1988.
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