Citazione APA

Bijl, H. J. V. D. (1920). The thermionic vacuum tube and its applications. New York: McGaw-Hill Book Company.

Stile di citazione Chicago

Bijl, H. J. Van Der. The Thermionic Vacuum Tube and Its Applications. New York: McGaw-Hill Book Company, 1920.

Citazione MLA

Bijl, H. J. Van Der. The Thermionic Vacuum Tube and Its Applications. New York: McGaw-Hill Book Company, 1920.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.