Petty, W., Hull, C. H., & Graunt, J. (1986). The economic writings: Together with the Observations upon the bills of mortality more probably by John Graunt / William Petty. Ed. by Charles Henry Hull. Kelley.
Lua i Stíl Chicago (17ú heag.)Petty, William, Charles Henry Hull, agus John Graunt. The Economic Writings: Together with the Observations upon the Bills of Mortality More Probably by John Graunt / William Petty. Ed. by Charles Henry Hull. Fairfield, NJ: Kelley, 1986.
Lua MLA (8ú heag.)Petty, William, et al. The Economic Writings: Together with the Observations upon the Bills of Mortality More Probably by John Graunt / William Petty. Ed. by Charles Henry Hull. Kelley, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.