Gillespie, I. A., O'Brien, S. J., Adak, G. K., Cheasty, T., & Willshaw, G. (2005). Foodborne general outbreaks of Shiga toxin-producing Escherichia coli O157 in England and Wales 1992-2002: Where are the risks? Cambridge University Press.

Gillespie, I. A., S. J. O'Brien, G. K. Adak, T. Cheasty, e G. Willshaw. Foodborne General Outbreaks of Shiga Toxin-producing Escherichia Coli O157 in England and Wales 1992-2002: Where Are the Risks? Cambridge University Press, 2005.

Gillespie, I. A., et al. Foodborne General Outbreaks of Shiga Toxin-producing Escherichia Coli O157 in England and Wales 1992-2002: Where Are the Risks? Cambridge University Press, 2005.