Chappell, E. (2013). Autocad Civil 3d 2014 essentials. Indianapolis: Sybex Inc.
Trích dẫn kiểu ChicagoChappell, Eric. Autocad Civil 3d 2014 Essentials. Indianapolis: Sybex Inc, 2013.
MLA引文Chappell, Eric. Autocad Civil 3d 2014 Essentials. Indianapolis: Sybex Inc, 2013.
警告:這些引文格式不一定是100%准確.