Gaya APA

Parr, A. (2011). Hydraulics and Pneumatics : A Technician's and Engineer's Guide (Ed. 3). United Kingdom: Penerbit Butterworth-Heinemann An imprint of Elsevier.

Gaya MLA

Parr, Andrew. "Hydraulics and Pneumatics : A Technician's and Engineer's Guide". Ed. 3 United Kingdom: Penerbit Butterworth-Heinemann An imprint of Elsevier, 2011. Text.