Frank J Welcher. (1975). Standard Methods of Chemical Analysis. V.2 (6.). New York.
Čikaški stil citiranjaFrank J Welcher. Standard Methods of Chemical Analysis. V.2. 6. New York, 1975.
MLA način citiranjaFrank J Welcher. Standard Methods of Chemical Analysis. V.2. 6. New York, 1975.
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