Single cylinder vertical lever type winching engines as used in the North East of England
  MLA
  Hill, Alan. Single Cylinder Vertical Lever Type Winching Engines As Used In the North East of England. Eindhoven: De Archaeologische pers, 1985.
  APA
  Hill, A. (1985). Single cylinder vertical lever type winching engines as used in the North East of England. Eindhoven: De Archaeologische pers.
  Chicago
  Hill, Alan Single Cylinder Vertical Lever Type Winching Engines As Used In the North East of England. Eindhoven: De Archaeologische pers, 1985.