Keeble, R. (2006). The newspapers handbook (4th ed.). Routledge.
Lua i Stíl Chicago (17ú heag.)Keeble, Richard. The Newspapers Handbook. 4th ed. London: Routledge, 2006.
Lua MLA (9ú heag.)Keeble, Richard. The Newspapers Handbook. 4th ed. Routledge, 2006.
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