Παραπομπή σε μορφή APA (7η εκδ.)

Clifton Harold Dennis. (1983). Business data systems: A practical guide to systems analysis and data processing (2nd ed.). Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clifton Harold Dennis. Business Data Systems: A Practical Guide to Systems Analysis and Data Processing. 2nd ed. Prentice Hall, 1983.

Παραπομπή σε μορφή MLA (8th εκδ.)

Clifton Harold Dennis. Business Data Systems: A Practical Guide to Systems Analysis and Data Processing. 2nd ed. Prentice Hall, 1983.