British Pump Manufacturers' Association. Technical Conference & British Pump Manufacturers' Association. (1981). "Pumps: The developing needs" : papers presented at the seventh technical conference of the British Pump Manufacturers' Association, conference held at University of York, 31st March-2nd April, 1981. BHRA Fluid Engineering.
Cita Chicago Style (17a ed.)British Pump Manufacturers' Association. Technical Conference y British Pump Manufacturers' Association. "Pumps: The Developing Needs" : Papers Presented at the Seventh Technical Conference of the British Pump Manufacturers' Association, Conference Held at University of York, 31st March-2nd April, 1981. Cranfield, Bedford: BHRA Fluid Engineering, 1981.
Cita MLA (8a ed.)British Pump Manufacturers' Association. Technical Conference y British Pump Manufacturers' Association. "Pumps: The Developing Needs" : Papers Presented at the Seventh Technical Conference of the British Pump Manufacturers' Association, Conference Held at University of York, 31st March-2nd April, 1981. BHRA Fluid Engineering, 1981.