Gaya APA

Hellemans, M. (2007). The safety relief valve handbook(design and use of process safety valves to ASME and International codes and Standarts (2007). : Newnes : Butterworth-Heinemann,.

Gaya MLA

Hellemans, Marc. "The safety relief valve handbook(design and use of process safety valves to ASME and International codes and Standarts". 2007 : Newnes : Butterworth-Heinemann,, 2007. Text.