Gaya APA

Hellemans, M. (2009). The Safety Relief Valve Handbook : Design and Use of Process Safety Valves to ASME and International Codes and Standards . Burlington: Elsevier.

Gaya MLA

Hellemans, Marc. "The Safety Relief Valve Handbook : Design and Use of Process Safety Valves to ASME and International Codes and Standards". Burlington: Elsevier, 2009. Text.