APA (7 वां संस्करण) प्रशस्ति पत्र
International Federation of Library Associations, ebrary, Inc, & Walravens, H. (2011). Newspapers: Legal deposit and research in the digital era. De Gruyter.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
International Federation of Library Associations, Inc ebrary, और Hartmut Walravens. Newspapers: Legal Deposit and Research in the Digital Era. Berlin: De Gruyter, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
International Federation of Library Associations, et al. Newspapers: Legal Deposit and Research in the Digital Era. De Gruyter, 2011.
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