Beitman, M. N. Most often needed 1926-1938 radio diagrams and servicing information.
Čikaški stil citiranja (17. izdanje)Beitman, M. N. Most Often Needed 1926-1938 Radio Diagrams and Servicing Information.
MLA način citiranja (8. izdanje)Beitman, M. N. Most Often Needed 1926-1938 Radio Diagrams and Servicing Information.
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