Gardner, G. T., & Peterson, J. A. (1997). Recycling organic waste: From urban pollutant to farm resource. Worldwatch Institute.
Čikaški stil citiranja (17. izdanje)Gardner, Gary T., i Jane A. Peterson. Recycling Organic Waste: From Urban Pollutant to Farm Resource. Washington, DC: Worldwatch Institute, 1997.
MLA način citiranja (9. izdanje)Gardner, Gary T., i Jane A. Peterson. Recycling Organic Waste: From Urban Pollutant to Farm Resource. Worldwatch Institute, 1997.
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