System Development Corporation. (1972). Guidelines for library automation: A handbook for Federal and other libraries.
Cita Chicago (17th ed.)System Development Corporation. Guidelines for Library Automation: A Handbook for Federal and Other Libraries. Santa Monica, Calif, 1972.
Cita MLA (9th ed.)System Development Corporation. Guidelines for Library Automation: A Handbook for Federal and Other Libraries. 1972.
Atenció: Aquestes cites poden no estar 100% correctes.