ASHWORTH, WILLIAM J. "Life on the Waterfront." Customs and Excise: Trade, Production, and Consumption in England 1640-1845. : Oxford University Press, 2003-07-17. Oxford Scholarship Online. 2010-01-01. Date Accessed 18 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199259212.001.0001/acprof-9780199259212-chapter-9>.
ASHWORTH, W.(2003-07-17). Life on the Waterfront. In Customs and Excise: Trade, Production, and Consumption in England 1640-1845. : Oxford University Press. Retrieved 18 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199259212.001.0001/acprof-9780199259212-chapter-9.
ASHWORTH, WILLIAM J. "Life on the Waterfront." In Customs and Excise: Trade, Production, and Consumption in England 1640-1845. : Oxford University Press, 2003-07-17. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199259212.001.0001/acprof-9780199259212-chapter-9.
ASHWORTH WJ. Life on the Waterfront. In: Ashworth WJ. Customs and Excise: Trade, Production, and Consumption in England 1640-1845. Oxford University Press; 2003. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199259212.001.0001/acprof-9780199259212-chapter-9. Accessed June 18, 2013.