Becker, S. L. (1987). Discovering Mass Communication Samuel L Becker. Scoff foresman.
Lua i Stíl Chicago (17ú heag.)Becker, Samuel L. Discovering Mass Communication Samuel L Becker. Scoff foresman, 1987.
Lua MLA (8ú heag.)Becker, Samuel L. Discovering Mass Communication Samuel L Becker. Scoff foresman, 1987.
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