Korenʹkov, D. A. (1983). Nitrogen fertilizers. Oxonian Press.
Lua i Stíl Chicago (17ú heag.)Korenʹkov, D. A. Nitrogen Fertilizers. New Delhi: Oxonian Press, 1983.
Lua MLA (8ú heag.)Korenʹkov, D. A. Nitrogen Fertilizers. Oxonian Press, 1983.
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