Association of Official Agricultural Chemists. (1919). Official methods of analysis (11th ed.). [s.n.].
Chicago Style (17th ed.) CitationAssociation of Official Agricultural Chemists. Official Methods of Analysis. 11th ed. Washington: [s.n.], 1919.
MLA (9th ed.) CitationAssociation of Official Agricultural Chemists. Official Methods of Analysis. 11th ed. [s.n.], 1919.
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