Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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