APA-viite (7. p.)

Duffey, R. B., & Saull, J. W. (2008). Managing risk: The human element. John Wiley & Sons Ltd..

Chicago-viite (17. p.)

Duffey, R. B., ja John Walton Saull. Managing Risk: The Human Element. Chichester, UK: John Wiley & Sons Ltd., 2008.

MLA-viite (9. p.)

Duffey, R. B., ja John Walton Saull. Managing Risk: The Human Element. John Wiley & Sons Ltd., 2008.