Gaya APA
Parr, A. (2011).
Hydraulics and Pneumatics : A technician's and engineer's guide third edition (3).
Oxford:
Butterworth-Heinemann.
Gaya MLA
Parr, Andrew.
"Hydraulics and Pneumatics : A technician's and engineer's guide third edition".
3
Oxford:
Butterworth-Heinemann,
2011.
Text.