Piozzi, H. L., & Knapp, O. G. (1914). The intimate letters of Hester Piozzi and Penelope Pennington, 1788-1821. John Lane.
Lua i Stíl Chicago (17ú heag.)Piozzi, Hester Lynch, agus Oswald Greenwaye Knapp. The Intimate Letters of Hester Piozzi and Penelope Pennington, 1788-1821. London: John Lane, 1914.
Lua MLA (8ú heag.)Piozzi, Hester Lynch, agus Oswald Greenwaye Knapp. The Intimate Letters of Hester Piozzi and Penelope Pennington, 1788-1821. John Lane, 1914.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.