APA

Indian Roads Congress. Special Publication 31, . (1986). New traffic signs. New Delhi: Indian Roads Congress. Special Publication 31.

Chicago

Indian Roads Congress. Special Publication 31, . 1986. New traffic signs. New Delhi: Indian Roads Congress. Special Publication 31.

Harvard

Indian Roads Congress. Special Publication 31, . (1986). New traffic signs. New Delhi: Indian Roads Congress. Special Publication 31.

MLA

Indian Roads Congress. Special Publication 31, . New traffic signs. New Delhi: Indian Roads Congress. Special Publication 31. 1986.