Massachusetts Institute of Technology Radiation Laboratory, Valley, G. E., & Wallman, H. (1965). Vacuum tube amplifiers. Dover Publications.
استشهاد بنمط شيكاغوMassachusetts Institute of Technology Radiation Laboratory, George Edward Valley, و Henry Wallman. Vacuum Tube Amplifiers. New York: Dover Publications, 1965.
MLA استشهادMassachusetts Institute of Technology Radiation Laboratory, et al. Vacuum Tube Amplifiers. Dover Publications, 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.