(1988). A Directory of library and information retrieval software for microcomputers (3rd ed.). Gower.
Cita Chicago (17th ed.)A Directory of Library and Information Retrieval Software for Microcomputers. 3rd ed. Aldershot, Hants., Eng: Gower, 1988.
Cita MLA (9th ed.)A Directory of Library and Information Retrieval Software for Microcomputers. 3rd ed. Gower, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.