1. B. Austin, and D.A. Austin ) (1993 ) Bacterial Fish Pathogens , 2nd edn. pp.265 -307 . Chichester: Ellis Horwood.
2. J.D. Holt, N.R. Krieg, P.H.A. Sneath, J.T. Staley, and S.T. Williams ) (1994 ) Bergey's Manual of Determinative Bacteriology , 9th edn. pp.175 -289 . Baltimore: Williams and Wilkins.
3. E.W. Koneman, S.D. Allen, V.R. Dowell, W.M. Janda, H.M. Sommers, and W.C. Winn ) (1988 ) Diagnostic Microbiology , pp.473 -533 . Philadelphia: J.B. Lippincott.