Electron tubes and semiconductors :
production : consumption : trade : selected foreign countries.
APA Citation
United States. Business and Defense Services Administration. Electronics Division., Cannon, R. L. (1960). Electron tubes and semiconductors: production : consumption : trade : selected foreign countries. [Washington]: [U.S. Govt. Print. Off].
MLA Citation
United States. Business and Defense Services Administration. Electronics Division, and Ruth L Cannon. Electron Tubes And Semiconductors: Production : Consumption : Trade : Selected Foreign Countries. [Washington]: [U.S. Govt. Print. Off], 1960.
Warning: These citations may not always be complete (especially for serials).