APA引文

GUPTA, B., & GUPTA, A. (2003). Roads, railways, bridges, tunnels and harbour-dock engineering.-- Ed.5. Standard Publishers Distributors.

芝加哥风格引文

GUPTA, B.I, 与 Amit GUPTA. Roads, Railways, Bridges, Tunnels and Harbour-dock Engineering.-- Ed.5. Delhi: Standard Publishers Distributors, 2003.

MLA引文

GUPTA, B.I, 与 Amit GUPTA. Roads, Railways, Bridges, Tunnels and Harbour-dock Engineering.-- Ed.5. Standard Publishers Distributors, 2003.

警告：这些引文格式不一定是100％准确.