APA Citation

Powell, T., & Powell, T. (2001). The principles of transport economics. London, Sydney: PTRC Education and Research Services.

Chicago Style Citation

Powell, Tim, and Tim Powell. The Principles of Transport Economics. London, Sydney: PTRC Education and Research Services, 2001.

MLA Citation

Powell, Tim, and Tim Powell. The Principles of Transport Economics. London, Sydney: PTRC Education and Research Services, 2001.

Warning: These citations may not always be 100% accurate.