Horwitz, W. (1965). Official methods of analysis of the Association of Offficial Agricultural Chemists. Association of Official Agricultural Chemists.
Cita Chicago (17th ed.)Horwitz, William. Official Methods of Analysis of the Association of Offficial Agricultural Chemists. Washington, D.C: Association of Official Agricultural Chemists, 1965.
Cita MLA (9th ed.)Horwitz, William. Official Methods of Analysis of the Association of Offficial Agricultural Chemists. Association of Official Agricultural Chemists, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.