Hickman, R., Banister, D., & Ryley, T. (2012). Thinking strategically: Pathways towards low carbon transport. Emerald Group Publishing Limited.
Lua i Stíl Chicago (17ú heag.)Hickman, R., D. Banister, agus T. Ryley. Thinking Strategically: Pathways Towards Low Carbon Transport. Emerald Group Publishing Limited, 2012.
Lua MLA (9ú heag.)Hickman, R., et al. Thinking Strategically: Pathways Towards Low Carbon Transport. Emerald Group Publishing Limited, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.