Brooklyn Botanic Garden & Hanson, B. (1997). Easy compost: The secret to great soil and spectacular plants. Brooklyn Botanic Gardens.
Cita Chicago Style (17a ed.)Brooklyn Botanic Garden y Beth Hanson. Easy Compost: The Secret to Great Soil and Spectacular Plants. Brooklyn, N.Y.: Brooklyn Botanic Gardens, 1997.
Cita MLA (8a ed.)Brooklyn Botanic Garden y Beth Hanson. Easy Compost: The Secret to Great Soil and Spectacular Plants. Brooklyn Botanic Gardens, 1997.
Precaución: Estas citas no son 100% exactas.