PARR, A. (2003). Hydraulics and pneumatics a technician's and engineer's guide (Ed.2.). Elsevier Butterworth-Heinemann.
Chicago-viite (17. p.)PARR, Andrew. Hydraulics and Pneumatics a Technician's and Engineer's Guide. Ed.2. Amsterdam: Elsevier Butterworth-Heinemann, 2003.
MLA-viite (9. p.)PARR, Andrew. Hydraulics and Pneumatics a Technician's and Engineer's Guide. Ed.2. Elsevier Butterworth-Heinemann, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.