GUPTA, B., & GUPTA, A. (2003). Roads, railways, bridges, tunnels and harbour-dock engineering.-- Ed.5. Standard Publishers Distributors.
Citace podle Chicago (17th ed.)GUPTA, B.I, a Amit GUPTA. Roads, Railways, Bridges, Tunnels and Harbour-dock Engineering.-- Ed.5. Delhi: Standard Publishers Distributors, 2003.
Citace podle MLA (9th ed.)GUPTA, B.I, a Amit GUPTA. Roads, Railways, Bridges, Tunnels and Harbour-dock Engineering.-- Ed.5. Standard Publishers Distributors, 2003.
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