Massachusetts Institute of Technology Radiation Laboratory, Valley, G. E., & Wallman, H. (1965). Vacuum tube amplifiers. Dover Publications.
Čikaški stil citiranjaMassachusetts Institute of Technology Radiation Laboratory, George Edward Valley, i Henry Wallman. Vacuum Tube Amplifiers. New York: Dover Publications, 1965.
MLA način citiranjaMassachusetts Institute of Technology Radiation Laboratory, et al. Vacuum Tube Amplifiers. Dover Publications, 1965.
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