Bosman, J. In E-readers, more choices, low prices and worried booksellers. Manila bulletin.
Lua i Stíl Chicago (17ú heag.)Bosman, Julie. "In E-readers, More Choices, Low Prices and Worried Booksellers." Manila Bulletin .
Lua MLA (9ú heag.)Bosman, Julie. "In E-readers, More Choices, Low Prices and Worried Booksellers." Manila Bulletin, .
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