Παραπομπή σε μορφή APA (7η εκδ.)

Lewis, P. J. (1994). Information - systems development: Systems thinking in the field of information - systems. Pitman Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lewis, Paul J. Information - Systems Development: Systems Thinking in the Field of Information - Systems. London: Pitman Publishing, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lewis, Paul J. Information - Systems Development: Systems Thinking in the Field of Information - Systems. Pitman Publishing, 1994.