APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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