Blyth, M. (2008). Risk and security management: Protecting people and sites worldwide. John Wiley & Sons.
Cita Chicago (17th ed.)Blyth, Michael. Risk and Security Management: Protecting People and Sites Worldwide. Hoboken, N.J.: John Wiley & Sons, 2008.
Cita MLA (9th ed.)Blyth, Michael. Risk and Security Management: Protecting People and Sites Worldwide. John Wiley & Sons, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.