FREEMAN-BELL, G. (1996). Management In Engineering. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)FREEMAN-BELL, Gail. Management In Engineering. Prentice-Hall, 1996.
MLA način citiranja (8. izdanje)FREEMAN-BELL, Gail. Management In Engineering. Prentice-Hall, 1996.
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