Cita APA (7a ed.)

Ahuja, T. (1978). Roads, railways bridges and tunnel engineering (5th ed.). Standard book House.

Cita Chicago Style (17a ed.)

Ahuja, T.D. Roads, Railways Bridges and Tunnel Engineering. 5th ed. Delhi: Standard book House, 1978.

Cita MLA (9a ed.)

Ahuja, T.D. Roads, Railways Bridges and Tunnel Engineering. 5th ed. Standard book House, 1978.