Brooklyn Botanic Garden & Hanson, B. (1997). Easy compost: The secret to great soil and spectacular plants. Brooklyn Botanic Gardens.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrooklyn Botanic Garden और Beth Hanson. Easy Compost: The Secret to Great Soil and Spectacular Plants. Brooklyn, N.Y.: Brooklyn Botanic Gardens, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrooklyn Botanic Garden और Beth Hanson. Easy Compost: The Secret to Great Soil and Spectacular Plants. Brooklyn Botanic Gardens, 1997.
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