Clemen, R. A. (1927). By-products in the packing industry. The University of Chicago press.
Čikaški stil citiranja (17. izdanje)Clemen, Rudolph Alexander. By-products in the Packing Industry. Chicago, Ill.: The University of Chicago press, 1927.
MLA način citiranja (8. izdanje)Clemen, Rudolph Alexander. By-products in the Packing Industry. The University of Chicago press, 1927.
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