Παραπομπή APA

Gardner, G., & Peterson, J. A. (1997). Recycling organic waste: From urban pollutant to farm resource. Washington, DC: Worldwatch Institute.

Παραπομπή Chicago Style

Gardner, Gary, and Jane A. Peterson. Recycling Organic Waste: From Urban Pollutant to Farm Resource. Washington, DC: Worldwatch Institute, 1997.

Παραπομπή MLA

Gardner, Gary, and Jane A. Peterson. Recycling Organic Waste: From Urban Pollutant to Farm Resource. Washington, DC: Worldwatch Institute, 1997.

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