Association of Official Agricultural.. (1960). Official methods of analysis of the association of official agricultural chemists (9th ed.). Association of Official Agricultural Chemists.
Citace podle Chicago (17th ed.)Association of Official Agricultural.. Official Methods of Analysis of the Association of Official Agricultural Chemists. 9th ed. Washington, D. C: Association of Official Agricultural Chemists, 1960.
Citace podle MLA (9th ed.)Association of Official Agricultural.. Official Methods of Analysis of the Association of Official Agricultural Chemists. 9th ed. Association of Official Agricultural Chemists, 1960.
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