Pepper, I. L., & Gerba, C. P. (2005). Environmental microbiology: A laboratory manual (Second edition.). Elsevier Academic Press.
Lua i Stíl Chicago (17ú heag.)Pepper, Ian L., agus Charles P. Gerba. Environmental Microbiology: A Laboratory Manual. Second edition. Amsterdam: Elsevier Academic Press, 2005.
Lua MLA (8ú heag.)Pepper, Ian L., agus Charles P. Gerba. Environmental Microbiology: A Laboratory Manual. Second edition. Elsevier Academic Press, 2005.
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