GUPTA, B. G. (2014). Highway and bridge engineering. Standard Publishers.
芝加哥风格引文GUPTA, B.L. Gupta. Highway and Bridge Engineering. Standard Publishers, 2014.
MLA引文GUPTA, B.L. Gupta. Highway and Bridge Engineering. Standard Publishers, 2014.
警告：这些引文格式不一定是100％准确.