Wiley InterScience (Online service), Sauer, T. J., Norman, J. M., & Siva Kumar, M. V. K. (2011). Sustaining soil productivity in response to global climate change: Science, policy, and ethics. Wiley. https://doi.org/10.1002/9780470960257
Παραπομπή σε μορφή Chicago (17η εκδ.)Wiley InterScience (Online service), Thomas J. Sauer, John M. Norman, και M. V. K. Siva Kumar. Sustaining Soil Productivity in Response to Global Climate Change: Science, Policy, and Ethics. Hoboken, N.J.: Wiley, 2011. https://doi.org/10.1002/9780470960257.
Παραπομπή σε μορφή MLA (8th εκδ.)Wiley InterScience (Online service), et al. Sustaining Soil Productivity in Response to Global Climate Change: Science, Policy, and Ethics. Wiley, 2011. https://doi.org/10.1002/9780470960257.
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