APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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