Campbell, L. (2015). Introduction to soil chemistry: Analysis and instrumentation. Delve Publishing LLC.
Čikaški stil citiranja (17. izdanje)Campbell, Lavernus. Introduction to Soil Chemistry: Analysis and Instrumentation. New York, NY: Delve Publishing LLC, 2015.
MLA način citiranja (9. izdanje)Campbell, Lavernus. Introduction to Soil Chemistry: Analysis and Instrumentation. Delve Publishing LLC, 2015.
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