Hackmann, W. D. (1978). Electricity from glass: The history of the frictional electrical machine, 1600-1850. Sijthoff & Noordhoff.
Chicago Style aipamenaHackmann, W. D. Electricity from Glass: The History of the Frictional Electrical Machine, 1600-1850. Alphen aan den Rijn: Sijthoff & Noordhoff, 1978.
MLA aipamenaHackmann, W. D. Electricity from Glass: The History of the Frictional Electrical Machine, 1600-1850. Sijthoff & Noordhoff, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.