Spencer, J. R. (1974). An appraisal of computer output microfilm for library catalogues: The final report on the findings and work of an investigation from December 1971 to July 1973, grant aided by the Office for Scientific and Technical Information and directed by B. J. S. Williams. National Reprographic Centre for Documentation.
Chicago-Zitierstil (17. Ausg.)Spencer, John R. An Appraisal of Computer Output Microfilm for Library Catalogues: The Final Report on the Findings and Work of an Investigation from December 1971 to July 1973, Grant Aided by the Office for Scientific and Technical Information and Directed by B. J. S. Williams. Hatfield, Hertfordshire: National Reprographic Centre for Documentation, 1974.
MLA-Zitierstil (9. Ausg.)Spencer, John R. An Appraisal of Computer Output Microfilm for Library Catalogues: The Final Report on the Findings and Work of an Investigation from December 1971 to July 1973, Grant Aided by the Office for Scientific and Technical Information and Directed by B. J. S. Williams. National Reprographic Centre for Documentation, 1974.