Cita APA (7th ed.)

Kilgannon, P. (1984). Business data processing and sytems analysis. ELBS.

Cita Chicago (17th ed.)

Kilgannon, Peter. Business Data Processing and Sytems Analysis. [London]: ELBS, 1984.

Cita MLA (9th ed.)

Kilgannon, Peter. Business Data Processing and Sytems Analysis. ELBS, 1984.