SANDMAN, P. M. Media: An introductory analysis of American mass communications. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)SANDMAN, Peter M. Media: An Introductory Analysis of American Mass Communications. Prentice Hall.
Lua MLA (8ú heag.)SANDMAN, Peter M. Media: An Introductory Analysis of American Mass Communications. Prentice Hall.
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