Brenner, D.J., Krieg, N.R. & Staley, J.T. 2005. Volume Two. The Proteobacteria. Part B. The Gammaproteobacteria. In G.M. Garrity (ed.), Bergey's Manual of Systematic Bacteriology, Second Edition. Springer-Verlag, New York: [i]-xxviii, 1-1106.
Gammaproteobacteria