Lientz, B. P., & Swanson, E. B. (1980). Software maintenance management: A study of the maintenance of computer application software in 487 data processing organizations. Addison-Wesley.
Chicago-viite (17. p.)Lientz, Bennet P., ja E. Burton Swanson. Software Maintenance Management: A Study of the Maintenance of Computer Application Software in 487 Data Processing Organizations. Reading, Mass: Addison-Wesley, 1980.
MLA-viite (9. p.)Lientz, Bennet P., ja E. Burton Swanson. Software Maintenance Management: A Study of the Maintenance of Computer Application Software in 487 Data Processing Organizations. Addison-Wesley, 1980.
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