Breakenridge K.Deire. (2012). Social Media And Public Relation. Ftpress.
Lua i Stíl Chicago (17ú heag.)Breakenridge K.Deire. Social Media And Public Relation. America: Ftpress, 2012.
Lua MLA (9ú heag.)Breakenridge K.Deire. Social Media And Public Relation. Ftpress, 2012.
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