APA-viite (7. p.)

De Jager, P., & Bergeon, R. (1999). Countdown Y2K: Business survival planning for the year 2000. Wiley.

Chicago-viite (17. p.)

De Jager, Peter, ja Richard Bergeon. Countdown Y2K: Business Survival Planning for the Year 2000. New York: Wiley, 1999.

MLA-viite (9. p.)

De Jager, Peter, ja Richard Bergeon. Countdown Y2K: Business Survival Planning for the Year 2000. Wiley, 1999.