Steiner, K. G. (1996). Causes of soil degradation and development approaches to sustainable soil management: Pilot project sustainable soil management. Margraf.
Chicago-Zitierstil (17. Ausg.)Steiner, Kurt G. Causes of Soil Degradation and Development Approaches to Sustainable Soil Management: Pilot Project Sustainable Soil Management. Weikersheim: Margraf, 1996.
MLA-Zitierstil (9. Ausg.)Steiner, Kurt G. Causes of Soil Degradation and Development Approaches to Sustainable Soil Management: Pilot Project Sustainable Soil Management. Margraf, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.