Jones, P. W., Bew, J., Burrows, M. R., Matthews, P. R., & Collins, P. (1976). The occurrence of salmonellas, mycobacteria and pathogenic strains of Escherichia coli in pig slurry. Cambridge University Press.

Jones, P. W., J. Bew, M. R. Burrows, P. R. Matthews, and P. Collins. The Occurrence of Salmonellas, Mycobacteria and Pathogenic Strains of Escherichia Coli in Pig Slurry. Cambridge University Press, 1976.

Jones, P. W., et al. The Occurrence of Salmonellas, Mycobacteria and Pathogenic Strains of Escherichia Coli in Pig Slurry. Cambridge University Press, 1976.