APA
Norman A. R. D., . (1985). Computer Insecurity. \N: Chapman & Hall.
Chicago
Norman Adrian R D, . 1985. Computer Insecurity. \N: Chapman & Hall.
Harvard
Norman A. R. D., . (1985). Computer Insecurity. \N: Chapman & Hall.
MLA
Norman Adrian R D, . Computer Insecurity. \N: Chapman & Hall. 1985.