Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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