APA

Turnbull K. F., . (2004). New approaches to toll facilities in the U.S. : European transport conference 2004.

Chicago

Turnbull Katherine F, . 2004. New approaches to toll facilities in the U.S. : European transport conference 2004.

Harvard

Turnbull K. F., . (2004). New approaches to toll facilities in the U.S. : European transport conference 2004.

MLA

Turnbull Katherine F, . New approaches to toll facilities in the U.S. : European transport conference 2004. 2004.