Nicholas, D. (2000). Assessing information needs: Tools, techniques, concepts for the Internet age (Second edition.). Aslib.
芝加哥风格引文Nicholas, David. Assessing Information Needs: Tools, Techniques, Concepts for the Internet Age. Second edition. London: Aslib, 2000.
MLA引文Nicholas, David. Assessing Information Needs: Tools, Techniques, Concepts for the Internet Age. Second edition. Aslib, 2000.
警告：这些引文格式不一定是100％准确.