Gaya APA

Lewis, D.. (1981). The Influence of Public Policy on Road Traffic Levels in Greater London . : PTRC.

Gaya Chicago

Lewis, D.. The Influence of Public Policy on Road Traffic Levels in Greater London. : PTRC, 1981. Filmstrip.

Gaya MLA

Lewis, D.. The Influence of Public Policy on Road Traffic Levels in Greater London. : PTRC, 1981. Filmstrip.

Gaya Turabian

Lewis, D.. The Influence of Public Policy on Road Traffic Levels in Greater London. : PTRC, 1981. Filmstrip.