Citazione Stile APA (7a Edizione)

Ansell, J., & Wharton, F. (1992). Risk: Analysis, assessment, management. Wiley.

Citazione stile Chigago Style (17a edizione)

Ansell, Jake, e Frank Wharton. Risk: Analysis, Assessment, Management. Chichester ; New York: Wiley, 1992.

Citatione MLA (9a ed.)

Ansell, Jake, e Frank Wharton. Risk: Analysis, Assessment, Management. Wiley, 1992.