Gupta, B. L., & Gupta, A. (1995). Text Book of Road, Railway, Bridge & Tunnel Engineering (5th ed.). Standard Publishers Distributors.
Chicago Style (17th ed.) CitationGupta, B. L., and Amit Gupta. Text Book of Road, Railway, Bridge & Tunnel Engineering. 5th ed. Delhi: Standard Publishers Distributors, 1995.
MLA (9th ed.) CitationGupta, B. L., and Amit Gupta. Text Book of Road, Railway, Bridge & Tunnel Engineering. 5th ed. Standard Publishers Distributors, 1995.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.