European Society for Soil Conservation. International Congress, European Society for Soil Conservation, & Rickson, R. J. (1994). Conserving soil resources: European perspectives : selected papers from the First International Congress of the European Society for Soil Conservation. CAB International.
Chicago Style (17. basım) AtıfEuropean Society for Soil Conservation. International Congress, European Society for Soil Conservation, ve R. J. Rickson. Conserving Soil Resources: European Perspectives : Selected Papers from the First International Congress of the European Society for Soil Conservation. Oxon: CAB International, 1994.
MLA (8th ed.) AtıfEuropean Society for Soil Conservation. International Congress, et al. Conserving Soil Resources: European Perspectives : Selected Papers from the First International Congress of the European Society for Soil Conservation. CAB International, 1994.