Stephen R Bourne. (1987). The UNIX system v enviornment. Addison-Wesley Publishing.
Čikaški stil citiranjaStephen R Bourne. The UNIX System V Enviornment. Addison-Wesley Publishing, 1987.
MLA način citiranjaStephen R Bourne. The UNIX System V Enviornment. Addison-Wesley Publishing, 1987.
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