Kilgannon, P. (1980). Business data processing and systems analysis (2d ed.). E. Arnold.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKilgannon, Pete. Business Data Processing and Systems Analysis. 2d ed. London: E. Arnold, 1980.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিKilgannon, Pete. Business Data Processing and Systems Analysis. 2d ed. E. Arnold, 1980.