Ohlson, K. (2014). The soil will save us!: How scientists, farmers, and foodies are healing the soil to save the planet. Rodale.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOhlson, Kristin. The Soil Will Save Us!: How Scientists, Farmers, and Foodies Are Healing the Soil to Save the Planet. Emmaus, Pennsylvania: Rodale, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOhlson, Kristin. The Soil Will Save Us!: How Scientists, Farmers, and Foodies Are Healing the Soil to Save the Planet. Rodale, 2014.
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