ebrary, Inc, & Walravens, H. (2008). Newspapers collection management: printed and digital challenges: Proceedings of the International Newspaper Conference, Santiago de Chile, April 3-5, 2007. Saur.
芝加哥风格引文ebrary, Inc, 与 Hartmut Walravens. Newspapers Collection Management: Printed and Digital Challenges: Proceedings of the International Newspaper Conference, Santiago De Chile, April 3-5, 2007. München: Saur, 2008.
MLA引文ebrary, Inc, 与 Hartmut Walravens. Newspapers Collection Management: Printed and Digital Challenges: Proceedings of the International Newspaper Conference, Santiago De Chile, April 3-5, 2007. Saur, 2008.
警告：这些引文格式不一定是100％准确.