Transport and Road Research Laboratory. Overseas Unit. (1988). Guide to road project appraisal. TRRL, Overseas Unit.
Chicago Style (17th ed.) CitationTransport and Road Research Laboratory. Overseas Unit. Guide to Road Project Appraisal. Crowthorne, Bershire, UK: TRRL, Overseas Unit, 1988.
MLA (9th ed.) CitationTransport and Road Research Laboratory. Overseas Unit. Guide to Road Project Appraisal. TRRL, Overseas Unit, 1988.
Warning: These citations may not always be 100% accurate.