Burstall, A. F. (1968). Simple working models of historic machines. Edward Arnorld.
Chicago Edition CitationBurstall, Aubrey F. Simple Working Models of Historic Machines. London: Edward Arnorld, 1968.
Cita MLABurstall, Aubrey F. Simple Working Models of Historic Machines. Edward Arnorld, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.