Spencer, J. F. T., & Ragout de Spencer, A. L. (2001). Food microbiology protocols. Humana Press.
Lua i Stíl Chicago (17ú heag.)Spencer, J. F. T., agus Alicia L. Ragout de Spencer. Food Microbiology Protocols. Totowa, NJ: Humana Press, 2001.
Lua MLA (8ú heag.)Spencer, J. F. T., agus Alicia L. Ragout de Spencer. Food Microbiology Protocols. Humana Press, 2001.
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