London, K. R. (1976). The people side of systems: The human aspects of computer systems. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)London, Keith R. The People Side of Systems: The Human Aspects of Computer Systems. London: McGraw-Hill Book Company, 1976.
Lua MLA (9ú heag.)London, Keith R. The People Side of Systems: The Human Aspects of Computer Systems. McGraw-Hill Book Company, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.