Nesbitt, B. (2007). Valves manual international: Handbook of valves and acutators. Butterworth-Heinemann.
Cita Chicago (17th ed.)Nesbitt, Brian. Valves Manual International: Handbook of Valves and Acutators. Burlington, MA: Butterworth-Heinemann, 2007.
Cita MLA (8th ed.)Nesbitt, Brian. Valves Manual International: Handbook of Valves and Acutators. Butterworth-Heinemann, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.