American Telephone and Telegraph Company. (1923). The application of electricity and magnetism to transmission in the telephone plant. American Telephone and Telegraph Company.
Citace podle Chicago (17th ed.)American Telephone and Telegraph Company. The Application of Electricity and Magnetism to Transmission in the Telephone Plant. Dallas: American Telephone and Telegraph Company, 1923.
Citace podle MLA (9th ed.)American Telephone and Telegraph Company. The Application of Electricity and Magnetism to Transmission in the Telephone Plant. American Telephone and Telegraph Company, 1923.
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