(1990). Official Methods Of Analysis Association Of Analytical Chemists ed. Kenneth Helrich. AOAC.
Čikaški stil citiranja (17. izdanje)Official Methods Of Analysis Association Of Analytical Chemists Ed. Kenneth Helrich. AOAC, 1990.
MLA način citiranja (8. izdanje)Official Methods Of Analysis Association Of Analytical Chemists Ed. Kenneth Helrich. AOAC, 1990.
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