Simpson, A. (1982). Planning for information handling. Gower.
Cita Chicago (17th ed.)Simpson, Alan. Planning for Information Handling. Aldershot, Hampshire, England: Gower, 1982.
Cita MLA (9th ed.)Simpson, Alan. Planning for Information Handling. Gower, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.