APA

Yagar S., Rowe E., . (1990). Traffic control methods. 5th Engineering Foundation conference, Santa Barbara, California, February 26 - March 3, 1989. Proceedings. New York, NY: Engineering Foundation.

Chicago

Yagar Sam, Rowe Edwin, . 1990. Traffic control methods. 5th Engineering Foundation conference, Santa Barbara, California, February 26 - March 3, 1989. Proceedings. New York, NY: Engineering Foundation.

Harvard

Yagar S., Rowe E., . (1990). Traffic control methods. 5th Engineering Foundation conference, Santa Barbara, California, February 26 - March 3, 1989. Proceedings. New York, NY: Engineering Foundation.

MLA

Yagar Sam, Rowe Edwin, . Traffic control methods. 5th Engineering Foundation conference, Santa Barbara, California, February 26 - March 3, 1989. Proceedings. New York, NY: Engineering Foundation. 1990.