Horwitz, W. (1970). Official methods of analysis of the association of official analytical chemists: :11th ed (11th ed.). Association fo Official Analytical Chemists.
Chicago-tyylinen lähdeviittausHorwitz, William. Official Methods of Analysis of the Association of Official Analytical Chemists: :11th Ed. 11th ed. Washington: Association fo Official Analytical Chemists, 1970.
MLA-viiteHorwitz, William. Official Methods of Analysis of the Association of Official Analytical Chemists: :11th Ed. 11th ed. Association fo Official Analytical Chemists, 1970.
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