Lua APA (7ú heag.)

Seely, S. (1950). Electron-tube circuits. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Seely, Samuel. Electron-tube Circuits. N.Y.: McGraw-Hill, 1950.

Lua MLA (8ú heag.)

Seely, Samuel. Electron-tube Circuits. McGraw-Hill, 1950.

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