Sinha, U., & Srivastava, S. An Introduction to Bacteria (BP-291-94.). Vikas Publishing House Pvt Ltd.
Lua i Stíl Chicago (17ú heag.)Sinha, U., agus Sheela Srivastava. An Introduction to Bacteria. BP-291-94. Vikas Publishing House Pvt Ltd.
Lua MLA (9ú heag.)Sinha, U., agus Sheela Srivastava. An Introduction to Bacteria. BP-291-94. Vikas Publishing House Pvt Ltd.
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