Pears, P. (2009). The Garden Organic guide to making compost: Recycling household and garden waste. Search Press in association with Garden Organic.
Cita Chicago Style (17a ed.)Pears, Pauline. The Garden Organic Guide to Making Compost: Recycling Household and Garden Waste. Tunbridge Wells, Kent [England]: Search Press in association with Garden Organic, 2009.
Cita MLA (8a ed.)Pears, Pauline. The Garden Organic Guide to Making Compost: Recycling Household and Garden Waste. Search Press in association with Garden Organic, 2009.
Precaución: Estas citas no son 100% exactas.