Chappell, E. (2013). Autocad Civil 3d 2014 essentials. Indianapolis: Sybex Inc.
Čikaški stil citiranjaChappell, Eric. Autocad Civil 3d 2014 Essentials. Indianapolis: Sybex Inc, 2013.
MLA način citiranjaChappell, Eric. Autocad Civil 3d 2014 Essentials. Indianapolis: Sybex Inc, 2013.
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