Head, R. V. A guide to packaged systems. Wiley-Interscience a division of John Wiley.
Čikaški stil citiranja (17. izdanje)Head, Robert V. A Guide to Packaged Systems. New York: Wiley-Interscience a division of John Wiley.
MLA način citiranja (9. izdanje)Head, Robert V. A Guide to Packaged Systems. Wiley-Interscience a division of John Wiley.
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