Gaya APA

Officials, A, A, O, S, H, A. (2001). A Policy on Geometric Design of Highways and Streets 2001 (ed. 4). Washington DC: American Association of State Highway and Transportation Officials.

Gaya MLA

Officials, American, Association, Of, State, Highway, AndnTransportation. "A Policy on Geometric Design of Highways and Streets 2001". ed. 4 Washington DC: American Association of State Highway and Transportation Officials, 2001. e-book.