Transport and Road Research Laboratory. (1981). Social aspects of transport: How to use social research in transport policy making. Transport and Road Research Laboratory.
Chicago-referens (17:e uppl.)Transport and Road Research Laboratory. Social Aspects of Transport: How to Use Social Research in Transport Policy Making. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA-referens (9:e uppl.)Transport and Road Research Laboratory. Social Aspects of Transport: How to Use Social Research in Transport Policy Making. Transport and Road Research Laboratory, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.