Gaya APA
Parr, A. (2011).
Hydralics And Pneumatics A Technician's And Engineer's Guide .
United Kingdom:
Butterwrorth Heinemann.
Gaya MLA
Parr, Andrew.
"Hydralics And Pneumatics A Technician's And Engineer's Guide".
United Kingdom:
Butterwrorth Heinemann,
2011.
Text.