Browne, D. R. (1989). Comparing Broadcast Systems. The IOWA State University Pres.
Lua i Stíl Chicago (17ú heag.)Browne, Donald R. Comparing Broadcast Systems. The IOWA State University Pres, 1989.
Lua MLA (8ú heag.)Browne, Donald R. Comparing Broadcast Systems. The IOWA State University Pres, 1989.
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