Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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