APA (7e ed.) Bronvermelding

PARR, A. (2003). Hydraulics and pneumatics a technician's and engineer's guide (Ed.2.). Elsevier Butterworth-Heinemann.

Chicago (17e ed.) Bronvermelding

PARR, Andrew. Hydraulics and Pneumatics a Technician's and Engineer's Guide. Ed.2. Amsterdam: Elsevier Butterworth-Heinemann, 2003.

MLA (9e ed.) Bronvermelding

PARR, Andrew. Hydraulics and Pneumatics a Technician's and Engineer's Guide. Ed.2. Elsevier Butterworth-Heinemann, 2003.