Williamson, J. G., Hatton, T. J., O'Rourke, K. H., & Taylor, A. M. (2007). The new comparative economic history: Essays in honor of Jeffrey G. Williamson. MIT Press.
Lua i Stíl Chicago (17ú heag.)Williamson, Jeffrey G., T. J. Hatton, Kevin H. O'Rourke, agus Alan M. Taylor. The New Comparative Economic History: Essays in Honor of Jeffrey G. Williamson. Cambridge, Mass.: MIT Press, 2007.
Lua MLA (9ú heag.)Williamson, Jeffrey G., et al. The New Comparative Economic History: Essays in Honor of Jeffrey G. Williamson. MIT Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.