PARR ANDREW. (2011). Hydraulics and pneumatics: A TECHNICIANS AND ENGINEERS GUIDE (3RD.). ELSEVIER.
Lua i Stíl Chicago (17ú heag.)PARR ANDREW. Hydraulics and Pneumatics: A TECHNICIANS AND ENGINEERS GUIDE. 3RD. BOSTON: ELSEVIER, 2011.
Lua MLA (9ú heag.)PARR ANDREW. Hydraulics and Pneumatics: A TECHNICIANS AND ENGINEERS GUIDE. 3RD. ELSEVIER, 2011.
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