Bretherton, R. D. (1979). Five methods of changing fixed-time signal plans. Urban Networks Division, Traffic Engineering Dept., Transport and Road Research Laboratory.
Chicago Style (17. basım) AtıfBretherton, R. D. Five Methods of Changing Fixed-time Signal Plans. Crowthorne, [Eng.]: Urban Networks Division, Traffic Engineering Dept., Transport and Road Research Laboratory, 1979.
MLA (9th ed.) AtıfBretherton, R. D. Five Methods of Changing Fixed-time Signal Plans. Urban Networks Division, Traffic Engineering Dept., Transport and Road Research Laboratory, 1979.
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