Pavlis, R. (2020). Soil science for gardeners: Working with nature to build soil health. New Society Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPavlis, Robert. Soil Science for Gardeners: Working with Nature to Build Soil Health. Gabriola Island, BC, Canada: New Society Publishers, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPavlis, Robert. Soil Science for Gardeners: Working with Nature to Build Soil Health. New Society Publishers, 2020.
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