STEWART, H. L. (1976). Pneumatics and hydraulics. D.B. Taraporevala Sons and Co.PVT.
Lua i Stíl Chicago (17ú heag.)STEWART, Harry L. Pneumatics and Hydraulics. Bombay: D.B. Taraporevala Sons and Co.PVT, 1976.
Lua MLA (9ú heag.)STEWART, Harry L. Pneumatics and Hydraulics. D.B. Taraporevala Sons and Co.PVT, 1976.
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