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1Yazar: Demers, David P.Konular “...American newspapers Ownership....”
Baskı/Yayın Bilgisi 1996
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2Yazar: Cose, EllisKonular “...American newspapers History 20th century....”
Baskı/Yayın Bilgisi 1989
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3Baskı/Yayın Bilgisi 1988Konular “...American newspapers Ownership....”
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