Παραπομπή APA

London, K. R. (1976). People side of systems: The human aspects of computer systems. McGraw-Hill.

Παραπομπή Chicago Style

London, Keith R. People Side of Systems: The Human Aspects of Computer Systems. London: McGraw-Hill, 1976.

Παραπομπή MLA

London, Keith R. People Side of Systems: The Human Aspects of Computer Systems. McGraw-Hill, 1976.