Bell, R. (1973). Negetive electron affinity devices. Oxford University.
Chicago Edition CitationBell, R.L. Negetive Electron Affinity Devices. London: Oxford University, 1973.
MLA引文Bell, R.L. Negetive Electron Affinity Devices. Oxford University, 1973.
警告:這些引文格式不一定是100%准確.