Rogers, James Steven. "What Would a Modern Law of Promissory Notes Look Like?." The End of Negotiable Instruments: Bringing Payment Systems Law Out of the Past. : Oxford University Press, 2011-12-12. Oxford Scholarship Online. 2012-01-19. Date Accessed 19 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199856220.001.0001/acprof-9780199856220-chapter-0008>.
Rogers, J.(2011-12-12). What Would a Modern Law of Promissory Notes Look Like?. In The End of Negotiable Instruments: Bringing Payment Systems Law Out of the Past. : Oxford University Press. Retrieved 19 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199856220.001.0001/acprof-9780199856220-chapter-0008.
Rogers, James Steven. "What Would a Modern Law of Promissory Notes Look Like?." In The End of Negotiable Instruments: Bringing Payment Systems Law Out of the Past. : Oxford University Press, 2011-12-12. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199856220.001.0001/acprof-9780199856220-chapter-0008.
Rogers JS. What Would a Modern Law of Promissory Notes Look Like?. In: Rogers JS. The End of Negotiable Instruments: Bringing Payment Systems Law Out of the Past. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199856220.001.0001/acprof-9780199856220-chapter-0008. Accessed June 19, 2013.