Ashford, J. H., & Matkin, D. I. (1982). Studies in the application of free text package systems: For information storage and retrieval in libraries and related information centres. Library Association.
Chicago Style (17. basım) AtıfAshford, John H., ve Derek I. Matkin. Studies in the Application of Free Text Package Systems: For Information Storage and Retrieval in Libraries and Related Information Centres. London: Library Association, 1982.
MLA (9th ed.) AtıfAshford, John H., ve Derek I. Matkin. Studies in the Application of Free Text Package Systems: For Information Storage and Retrieval in Libraries and Related Information Centres. Library Association, 1982.
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