International Organization for Standardization & International Organization for Standardization. Technical Committee ISO/TC 190, Soil quality. (1994). Soil quality: General aspects, chemical and physical methods of analysis, biological methods of analysis. International Organization for Standardization.
Citace podle Chicago (17th ed.)International Organization for Standardization a Soil quality International Organization for Standardization. Technical Committee ISO/TC 190. Soil Quality: General Aspects, Chemical and Physical Methods of Analysis, Biological Methods of Analysis. Genève: International Organization for Standardization, 1994.
Citace podle MLA (8th ed.)International Organization for Standardization a Soil quality International Organization for Standardization. Technical Committee ISO/TC 190. Soil Quality: General Aspects, Chemical and Physical Methods of Analysis, Biological Methods of Analysis. International Organization for Standardization, 1994.