Cita APA

Gupta, B. L., & Gupta, A. (1995). Text Book of Road, Railway, Bridge & Tunnel Engineering (5th ed.). Standard Publishers Distributors.

Citación estilo Chicago

Gupta, B. L., and Amit Gupta. Text Book of Road, Railway, Bridge & Tunnel Engineering. 5th ed. Delhi: Standard Publishers Distributors, 1995.

Cita MLA

Gupta, B. L., and Amit Gupta. Text Book of Road, Railway, Bridge & Tunnel Engineering. 5th ed. Standard Publishers Distributors, 1995.