Duncan, R. K. (1907). The chemistry of commerce: A simple interpretation of some new chemistry in its relation to modern industry. Harper & brothers.
Čikaški stil citiranja (17. izdanje)Duncan, Robert Kennedy. The Chemistry of Commerce: A Simple Interpretation of Some New Chemistry in Its Relation to Modern Industry. New York and London: Harper & brothers, 1907.
MLA način citiranja (8. izdanje)Duncan, Robert Kennedy. The Chemistry of Commerce: A Simple Interpretation of Some New Chemistry in Its Relation to Modern Industry. Harper & brothers, 1907.
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