Owens, D., & Holroyd, J. (1973). The Glasgow experiment: Assessments under light and very low flow conditions. Management and Control Division, Traffic Engineering Unit, Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Owens, D., agus Joyce Holroyd. The Glasgow Experiment: Assessments Under Light and Very Low Flow Conditions. Crowthorne, Berkshire: Management and Control Division, Traffic Engineering Unit, Transport and Road Research Laboratory, 1973.
Lua MLA (9ú heag.)Owens, D., agus Joyce Holroyd. The Glasgow Experiment: Assessments Under Light and Very Low Flow Conditions. Management and Control Division, Traffic Engineering Unit, Transport and Road Research Laboratory, 1973.
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