Williams, S. (1984). Official methods of analysis of the Association of official analytical chemists (14th ed.). Association of official analytical chemists.
Chicago Style aipamenaWilliams, Sidney. Official Methods of Analysis of the Association of Official Analytical Chemists. 14th ed. Arlington: Association of official analytical chemists, 1984.
MLA aipamenaWilliams, Sidney. Official Methods of Analysis of the Association of Official Analytical Chemists. 14th ed. Association of official analytical chemists, 1984.
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