Lepper, H. A., Fisher, H. J., & Warren, L. E. (1945). Official and tentative methods of analysis of the Association of official agricultural chemists (6th ed.). Association of Official agricultural chemists.
Čikaški stil citiranja (17. izdanje)Lepper, Henry Albert, Harry Johnstone Fisher, i Lewis Eugene Warren. Official and Tentative Methods of Analysis of the Association of Official Agricultural Chemists. 6th ed. Washington, D.C: Association of Official agricultural chemists, 1945.
MLA način citiranja (9. izdanje)Lepper, Henry Albert, et al. Official and Tentative Methods of Analysis of the Association of Official Agricultural Chemists. 6th ed. Association of Official agricultural chemists, 1945.
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