Gullett, W, Transportation systems, in Bagg, M (eds), The Berkshire Encyclopedia of China, Massachusetts, United States, Berkshire Publishing Group, 2009, 2317-2320.
As China expands its economy, increases its population, and opens up to the outside world, its political leaders and urban designers face increased pressure to create more efficient and environmentally friendly transportation systems.
Warwick Gullett. "Transportation systems" Faculty of Law - Papers. , 2009. 2317-2320.
Available at: http://works.bepress.com/wgullett/21