SINGH, S. (2004). Measurements and controls. Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)SINGH, S.K. Measurements and Controls. New Delhi: Tata McGraw-Hill, 2004.
Lua MLA (9ú heag.)SINGH, S.K. Measurements and Controls. Tata McGraw-Hill, 2004.
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