APA
Department of Transport, Scotland, United Kingdom & Department of the Environment for Northern Ireland. (1988). Library of standard item descriptions for highway works. London: HMSO.
Chicago
Department of Transport, Scotland, United Kingdom and Department of the Environment for Northern Ireland. 1988. Library of standard item descriptions for highway works. London: HMSO.
Harvard
Department of Transport, Scotland, United Kingdom and Department of the Environment for Northern Ireland. (1988). Library of standard item descriptions for highway works. London: HMSO.
MLA
Department of Transport, Scotland, United Kingdom and Department of the Environment for Northern Ireland. Library of standard item descriptions for highway works. London: HMSO. 1988.
