Lua APA (7ú heag.)

Beitman, M. N. Most often needed 1926-1938 radio diagrams and servicing information.

Lua i Stíl Chicago (17ú heag.)

Beitman, M. N. Most Often Needed 1926-1938 Radio Diagrams and Servicing Information.

Lua MLA (8ú heag.)

Beitman, M. N. Most Often Needed 1926-1938 Radio Diagrams and Servicing Information.

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