Crusjshank, R. (1975). Medical Microbiology (12th.). Churchill Livingstone.
Lua i Stíl Chicago (17ú heag.)Crusjshank, Rober. Medical Microbiology. 12th. New York: Churchill Livingstone, 1975.
Lua MLA (9ú heag.)Crusjshank, Rober. Medical Microbiology. 12th. Churchill Livingstone, 1975.
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