Hickman, R. (2011). Changing course in urban transport: An illustrated guide. Asian Development Bank.
Lua i Stíl Chicago (17ú heag.)Hickman, Robin. Changing Course in Urban Transport: An Illustrated Guide. Mandaluyong City: Asian Development Bank, 2011.
Lua MLA (9ú heag.)Hickman, Robin. Changing Course in Urban Transport: An Illustrated Guide. Asian Development Bank, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.