Kilgannon, P. (1980). Business data processing and systems analysis (2d ed.). E. Arnold.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Kilgannon, Pete. Business Data Processing and Systems Analysis. 2d ed. London: E. Arnold, 1980.
MLA -ийн эшлэл (9 дэх хэвлэлт)Kilgannon, Pete. Business Data Processing and Systems Analysis. 2d ed. E. Arnold, 1980.