APA

Federal Telephone and Radio Corporations, . (1946). Reference data for radio engineers. New York,Usa: Federal Telephone and Radio Corporations.

Chicago

Federal Telephone and Radio Corporations, . 1946. Reference data for radio engineers. New York,Usa: Federal Telephone and Radio Corporations.

Harvard

Federal Telephone and Radio Corporations, . (1946). Reference data for radio engineers. New York,Usa: Federal Telephone and Radio Corporations.

MLA

Federal Telephone and Radio Corporations, . Reference data for radio engineers. New York,Usa: Federal Telephone and Radio Corporations. 1946.