Conrat, Heinz Fraenkel
Design and function at the threhold of life : the viruses/Heinz Frankel Conrat
Academic Press, 1962
 Buku Teks SO
Cooper, J.I.
Viruses and the environment
Chapman and Hall, 1984
 Buku Teks SO
Biology
by Robert J. Brooker ... [and others]
McGraw-Hill, 2008
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Biology
by Eldra Pearl Solomon [and others]
Saunders College, 1993
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Case, James F.
Biology
Macmillan, 1979
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