Ivanov, A. L., Lebedeva, I. I., & Grebennikov, A. M. (2013). Factors for anthropogenic transformation of chernozems. V.V. Dokuchaev Soil Science Institute.
Lua i Stíl Chicago (17ú heag.)Ivanov, A. L., I. I. Lebedeva, agus A. M. Grebennikov. Factors for Anthropogenic Transformation of Chernozems. V.V. Dokuchaev Soil Science Institute, 2013.
Lua MLA (9ú heag.)Ivanov, A. L., et al. Factors for Anthropogenic Transformation of Chernozems. V.V. Dokuchaev Soil Science Institute, 2013.
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