Gaya APA

Authorities, N, A, O, A, S, R. (1972). Guide policy for geometric design of freeways and expressways . Sydney: National Association of Australian State Road Authorities.

Gaya MLA

Authorities, National, Association, Of, Australian, State, Road. "Guide policy for geometric design of freeways and expressways". Sydney: National Association of Australian State Road Authorities, 1972. Buku.