Downton, A. C. (1991). Engineering the human-computer interface. McGraw-Hill Book Co..
Chicago Style (17. basım) AtıfDownton, A. C. Engineering the Human-computer Interface. London ; New York: McGraw-Hill Book Co., 1991.
MLA (8th ed.) AtıfDownton, A. C. Engineering the Human-computer Interface. McGraw-Hill Book Co., 1991.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..