Parr, A. (1991). Hydraulics and pneumatics: A technician's and engineer's guide (first published.). Butterworth Heinemann.
Παραπομπή σε μορφή Chicago (17η εκδ.)Parr, Andrew. Hydraulics and Pneumatics: A Technician's and Engineer's Guide. first published. Oxford: Butterworth Heinemann, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Parr, Andrew. Hydraulics and Pneumatics: A Technician's and Engineer's Guide. first published. Butterworth Heinemann, 1991.
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