APA
(1971). Computer appreciations courses for managers. London: London, Her Majesty's Stationery Office.
Chicago
1971. Computer appreciations courses for managers. London: London, Her Majesty's Stationery Office.
Harvard
(1971). Computer appreciations courses for managers. London: London, Her Majesty's Stationery Office.
MLA
Computer appreciations courses for managers. London: London, Her Majesty's Stationery Office. 1971.