Laird, P. (1988). External costs of road transport of bulk exports through New South Wales ports. Australian National University, Centre for Resource and Environmental Studies.
芝加哥风格引文Laird, Philip. External Costs of Road Transport of Bulk Exports Through New South Wales Ports. [Canberra]: Australian National University, Centre for Resource and Environmental Studies, 1988.
MLA引文Laird, Philip. External Costs of Road Transport of Bulk Exports Through New South Wales Ports. Australian National University, Centre for Resource and Environmental Studies, 1988.
警告：这些引文格式不一定是100％准确.