International Federation of Library Associations, ebrary, Inc, & Walravens, H. (2011). Newspapers: Legal deposit and research in the digital era. De Gruyter.
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Chicago Style (17th ed.) Zitazioa
International Federation of Library Associations, Inc ebrary, eta Hartmut Walravens. Newspapers: Legal Deposit and Research in the Digital Era. Berlin: De Gruyter, 2011.
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MLA (9th ed.) Zitazioa
International Federation of Library Associations, et al. Newspapers: Legal Deposit and Research in the Digital Era. De Gruyter, 2011.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.