Richter, D. D. Understanding soil change: Soil sustainability over millennia, centuries, and decades. Cambridge.
Citación estilo ChicagoRichter, Daniel D. Understanding Soil Change: Soil Sustainability over Millennia, Centuries, and Decades. c2001: Cambridge.
Cita MLARichter, Daniel D. Understanding Soil Change: Soil Sustainability over Millennia, Centuries, and Decades. Cambridge.
Warning: These citations may not always be 100% accurate.