Lewis, T. (2021). Empire of the air: The men who made radio (Thirtieth Anniversary Paperback Edition.). Cornell University Press.
Citace podle Chicago (17th ed.)Lewis, Tom. Empire of the Air: The Men Who Made Radio. Thirtieth Anniversary Paperback Edition. Ithaca [New York]: Cornell University Press, 2021.
Citace podle MLA (9th ed.)Lewis, Tom. Empire of the Air: The Men Who Made Radio. Thirtieth Anniversary Paperback Edition. Cornell University Press, 2021.
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