APA引文

Bell, R. (1973). Negetive electron affinity devices. Oxford University.

Chicago Edition Citation

Bell, 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.