Cleverdon, C., & Keen, M. (1966). Factors determining the performance of indexing systems. London: Association of Special Libraries and Information Bureaux.
Chicago Style CitationCleverdon, Cyril., andfavorite Michael Keen. Factors Determining the Performance of Indexing Systems. London: Association of Special Libraries and Information Bureaux, 1966.
MLA CitationCleverdon, Cyril., andfavorite Michael Keen. Factors Determining the Performance of Indexing Systems. London: Association of Special Libraries and Information Bureaux, 1966.
Warning: These citations may not always be 100% accurate.