Ashworth, A. (2008). Pre-contract studies: Development economics, tendering and estimating (3rd ed.). Blackwell Publishing.
Chicago Style (17th ed.) CitationAshworth, A. Pre-contract Studies: Development Economics, Tendering and Estimating. 3rd ed. Oxford, UK Malden, MA: Blackwell Publishing, 2008.
MLA (9th ed.) CitationAshworth, A. Pre-contract Studies: Development Economics, Tendering and Estimating. 3rd ed. Blackwell Publishing, 2008.
Warning: These citations may not always be 100% accurate.